Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
cong duoc » cong cuoc, dong duoc, cong uoc
cong duc » cong suc, hong duc, cong dac
phan van » pham van, thanh van, luan van
cac thu » cach thuc, cac thoi
thu day » thuc day, thu da, thu dac
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
mai hoi » mai khoi, dai hoi, lai hoi
va phan » van phan, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac thu day, nghien cuu mot hoc nganh ((cong duoc) or (cong duc)) mai hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac thu day, nghien cuu mot hoc nganh ((cong duoc) OR (cong duc)) mai hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: tu cac thu day, nghien cuu mot hoc nganh ((cong duoc) or (cong duc)) mai hoi va phan van*.