Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
hoc nganh » hoc nhanh
cach hoc » cach thuc, cach thoi, dich hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
thuoc xa » thuoc ma, thuoc va, thuoc la
tu cach » tu cac
hoi bai » hoc bai, hoi tai, khoi bay
pham va » pham van, pham tai, phan van
pham ma » pham van, pham tai, pham xay

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu long hoc nganh cong thuoc xa hoi bai ((pham va) or (pham ma))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu long hoc nganh cong thuoc xa hoi bai ((pham va) OR (pham ma)).
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu long hoc nganh cong thuoc xa hoi bai ((pham va) or (pham ma))*.