Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh khoa
nganh nong » nganh cong
cach thoi » cac thoi, cach thuc, cach noi
thoi tap » toi tap, hoc tap, thoi dai
cuu nang » chuc nang, cam nang, cuu van
tu cach » tu cac
va luan » vay luan, van luan, va quan
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghien cuu nang luc ((nganh khong) or (nganh nong)) hoc ma hoi va luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu nang luc ((nganh khong) OR (nganh nong)) hoc ma hoi va luan van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu nang luc ((nganh khong) or (nganh nong)) hoc ma hoi va luan van*.