Perhaps you should try some spelling variations:
nhanh khung » nhanh hung, nhanh chuong, nhanh chong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
khung hoc » chung hoc, nhung hoc, thuong hoc
danh nhan » thanh nhan, benh nhan, dung nhan
cac hoc » cach hoc, cac hop, bac hoc
co cac » cho cac, ca cac, co cau
cua co » cua bo, cua cong
ma hop » mau hop, ma hoa, va hop

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: co cac hoc tap, nghien cua co hoc nhanh khung hoc ma hop ((danh nhan) or (doanh nhan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co cac hoc tap, nghien cua co hoc nhanh khung hoc ma hop ((danh nhan) OR (doanh nhan)) van.
• Adding a wildcard symbol may retrieve word variants: co cac hoc tap, nghien cua co hoc nhanh khung hoc ma hop ((danh nhan) or (doanh nhan)) van*.