The phrase "a comprehensive advice" is correct and usable in written English.
You can use it when you are referring to a holistic or in-depth advice, and you want to emphasize that it is comprehensive and not just a few tips or pieces of advice. For example: I know you are looking for a comprehensive advice on how to handle this situation, so I'm here to give you the best advice I can.
Ms. Dne began to feel familiar, a friendly source of comprehensive advice.
The Education Department has previously reminded schools that Title IX protects trans students from discrimination, but Friday's materials include comprehensive advice -- a Dear Colleague letter analyzing legal implications and a 25-page document outlining policy suggestions. .
Private Banking & Wealth Management offers comprehensive advice and a wide range of financial solutions to private, corporate and institutional clients.
The committee reserved particular criticism for the Cabinet Office Minister, Oliver Letwin, who, it said, failed to provide a "convincing justification" for ignoring the "comprehensive advice" of senior civil servants and hand over £3m to Kids Company just before it collapsed.
… I would have been really appreciative to see a doctor who could have given me comprehensive advice on the whole problem rather than just part of the problem.
"We have also given the NSPCC over £11m to run a comprehensive 24/7 advice and reporting service for those who have concerns about a child, and are developing training materials with the sector to help improve practice in this area".
At its best, the book is a comprehensive career advice manual for women seeking professional advancement -- and a persuasive call to leadership for the next generation.
The NHS website gives comprehensive advice for women going through a miscarriage, including what they are entitled to in terms of treatment, and gives support regarding any ceremony or burial.
Jonathan Glanz, Westminster's cabinet member for housing, says right-to-buy applicants are all given comprehensive advice on the costs associated with being a homeowner.
