The Writing Center, located in 15 Nicholson hall, helps all U of M students with writing needs, including proposal preparation. http://writing.umn.edu/sws/index.htm
Call or email for an appointment, or go to 15 Nicholson or 9 Appleby during their walk-in hours. The Writing Center even offers writing service through instant messaging: SWS.online
The Grad School Writer's Nexus provides assistance on various aspects of writing your dissertation, from finding funding to seminars and dissertation support groups. http://www.grad.umn.edu/gradwriting/
Searching grant databases is different from a Google search. You need to check boxes with the databases own keywords rather than entering in words you think might be appropriate. Searching these databases can be a bit tricky, so the University of Minnesota Libraries offer courses designed specifically for graduate students.
Grant Funding for Graduate Students