Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nhan khong » nhan thong, nhanh chong, nhan khoa
tinh hoc » sinh hoc, tin hoc, hinh hoc
phan van » pham van, thanh van, luan van
te tinh » tue tinh, tre tinh, ve tinh
va phan » van phan, va phat, va phap
mo hoc » mon hoc, co hoc
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: te tinh hoc tap, nghien cuu mo hoc ((nhan khong) or (nganh khong)) hoc ma hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te tinh hoc tap, nghien cuu mo hoc ((nhan khong) OR (nganh khong)) hoc ma hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: te tinh hoc tap, nghien cuu mo hoc ((nhan khong) or (nganh khong)) hoc ma hoi va phan van*.