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
thuoc ma » hoc ma, duoc ma
van phan » van phong, van thanh, luan phan
van tuan » van quan, van ban, anh tuan
bac hoc » bai hoc, bac ho
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
vu bac » vu bach, vu ban, xu bac
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: vu bac hoc tap, nghien cuu mon hoc nganh cong thuoc ma hoi ((van phan) or (van tuan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bac hoc tap, nghien cuu mon hoc nganh cong thuoc ma hoi ((van phan) OR (van tuan)) van.
• Adding a wildcard symbol may retrieve word variants: vu bac hoc tap, nghien cuu mon hoc nganh cong thuoc ma hoi ((van phan) or (van tuan)) van*.