Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoa » khong hoan, khong khoa, thong hoa
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
su sach » vu sach
so sach » so sanh, bo sach, co sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai ban » hai bang, hai ba, tai ban
hoa ma » khoa ma, hoa may, hoa mau
ma hai » ta hai, va hai, xa hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sach)) hoc tap, nghien cuu mon hoc nganh khong hoa ma hai ban thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) hoc tap, nghien cuu mon hoc nganh khong hoa ma hai ban thanh van.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) hoc tap, nghien cuu mon hoc nganh khong hoa ma hai ban thanh van*.