Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
khong hoc » khung hoc, khong thuoc, khong chuc
thong hoc » thuong hoc, tuong hoc, thong hoa
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
thoi tap » toi tap, hoc tap, thoi dai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai van » thai van, ha van, hai tan
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: tu cach thoi tap, nghien cuu mon hoc nganh ((khong hoc) or (thong hoc)) ma hai van thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu mon hoc nganh ((khong hoc) OR (thong hoc)) ma hai van thanh van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mon hoc nganh ((khong hoc) or (thong hoc)) ma hai van thanh van*.