Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
van nhan » van phan, van thanh, danh nhan
tu dich » te dich, chu dich, hut dich
va nhan » ca nhan, va phan, va nha
ma hoi » mai hoi, xa hoi, ma hoa

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

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