Help vs be of assistance

Some examples from the web:

• Help wronged women punish evil men.
• Help co-ordinate things on the childcare front.
• Help women in her same situation.
• Help raise a Qreshi leader who understands Leith.
• Help stave off a zombie apocalypse.
• Help some computer tech steal some data.
• I... Help those the system ignores.
• Help us pinpoint where the neurological...
• Help these girls with their fundraising.
• Help cobble together the legal framework.
• Help Margo to find her way home tonight.
• Help Paxton bring peace to Earth.
• Are you hurt? - Help the others.
• Help your child to achieve his dreams.
• Help us market the concept, the credibility.
• Help thy neighbor in hardship first without question.
• Help the soccer team buy new uniforms.
• Help you switch brains with your patient.
• Help each other, without taking over.
• Help is 100 million miles away.

Some examples from the web:

• He'd be thrilled to think I could be of assistance.
• Just knowing I can be of assistance is thanks enough.
• It may be of assistance if I clarify the current state of play in relation to the draft convention.
• any additional information likely to be of assistance to the analyst.
• I stand at the ready to be of assistance and liberate you from your burdens, one way or another.
• How can I be of assistance, my poor man?
• I'm glad l can be of assistance.
• Then perhaps I can be of assistance in a different way.
• There are ways I can be of assistance.
• Captain Gregson, how may I be of assistance?
• I'm sorry, sir, but I'm unable to be of assistance in this matter.
• I understand, sir, but I thought the human could be of assistance.
• Dr Guttmann, if I can be of assistance...?
• May I be of assistance, sir?
• Is there a source in the field that could be of assistance?
• The practice of the past eighteen months also indicates that there have been numerous petitions in the area of environmental protection, social security or even the internal market, which may be of assistance in perfecting certain European Union directives.
• All right, you are beloved from Bourbon Street to the swamps 'cause you go out of your way to be of assistance to this whole city, including... all of my counterparts on the council.
• A record must be kept of each sampling, permitting each lot to be identified unambiguously and giving the date and place of sampling together with any additional information likely to be of assistance to the analyst.
• When you start to get into trouble, I will say, "Perhaps I can be of assistance?"
• This is where the 21st century school can be of assistance - such a school would be characterised by a favourable social climate, the use of different pedagogical methods, openness and flexibility, as well as the encouragement of the practice of life-long learning.