option 1: include manufacturer name into product name (As it's on demo version for the Laptops) option 2: modify Stored Procedure in database option 3: post into suggestions to include an option "Availibility to search manufacturers"
I'll go ahead and shamelessly plug our extension of the default search: Search Rank allows you to not only search against the manufacturer but also allows you to rank how a hit against the manufacturer should work for your product. Most of our customers rank a manufacturer hit very high because it's the most important search word for their type of products.