Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
khanh hoi » khanh hoa, thanh hoai, thanh hoa
hoc nganh » hoc nhanh
ban thanh » ban hanh, ban hang
vu khanh » vu thanh, van khanh, duy khanh
cong hoc » dong hoc, cong hoa, cong coc
hoi tap » hoi dap, hoc tap, hoi tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
lai hoi » dai hoi, lai hoa, mai hoi
lai roi » loi roi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khanh hoi tap, nghien cuu mon hoc nganh cong hoc ((lai hoi) or (lai roi)) ban thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khanh hoi tap, nghien cuu mon hoc nganh cong hoc ((lai hoi) OR (lai roi)) ban thanh san.
• Adding a wildcard symbol may retrieve word variants: vu khanh hoi tap, nghien cuu mon hoc nganh cong hoc ((lai hoi) or (lai roi)) ban thanh san*.