Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
dich hoc » sinh hoc, hinh hoc, tinh hoc
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
nhan tai » hang tai, van tai, toan tai
te dich » ve dich, tam dich, tap dich
hoi cac » hoc cac, voi cac, hoa cac
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te dich hoc tap, nghien thu cong hoc nganh hoa hoc xa hoi cac ((nhan van) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te dich hoc tap, nghien thu cong hoc nganh hoa hoc xa hoi cac ((nhan van) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: te dich hoc tap, nghien thu cong hoc nganh hoa hoc xa hoi cac ((nhan van) or (nhan tai))*.