Perhaps you should try some spelling variations:
nghien cac » nghiep cach, nghien cuu, nghiep cay
phan cung » phan cong, phan ung, phan xuong
manh hoc » anh hoc, manh ho, manh hon
cong hoc » dong hoc, cong hoa, cong ho
cong coc » cong cuoc, cong cac, cong co
cung hoc » chung hoc, dung hoc, vung hoc
vu manh » vu minh, vu anh, tu manh
hoc bai » hoc dai, hoc giai
bai hoi » bai choi, bai hoc, dai hoi
va luan » vay luan, van luan, va quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu manh hoc tap, nghien cac ((cong hoc) or (cong coc)) phan cung hoc bai hoi va luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu manh hoc tap, nghien cac ((cong hoc) OR (cong coc)) phan cung hoc bai hoi va luan van.
• Adding a wildcard symbol may retrieve word variants: vu manh hoc tap, nghien cac ((cong hoc) or (cong coc)) phan cung hoc bai hoi va luan van*.