No.
That isn't the way it works here.
You ask a question in public, and the people on the site who understand the subject respond and try to help.
Very, very few people will give you any direct contact information - we are not here for individual tutoring or mentoring.
If you have "many confuse problem" with vBulletin, you might be better of asking directly on a specific web site dedicated to the subject:
vBulletin forums[
^] for example.
Submit an article or tip