Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
nhan tain » nhan dan, nhan tao, han tai
dinh hon » dinh hong, dinh chon, dinh nhon
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
nhan tai » hang tai, van tai, toan tai
vu dinh » quy dinh
hon tap » hoc tap, han tap, con tap
cong so » cong san, cong hoa
xay hoi » xa hoi, tay hoi, cay phoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu dinh hon tap, nghien cuu cong hoc nganh cong so xay hoi va ((nhan tain) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dinh hon tap, nghien cuu cong hoc nganh cong so xay hoi va ((nhan tain) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: vu dinh hon tap, nghien cuu cong hoc nganh cong so xay hoi va ((nhan tain) or (nhan tai))*.