Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
dap thanh » dao thanh, dat thanh, da thanh
thanh van » thanh san, thanh toan, thanh phan
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong coc
su canh » suc canh, su anh, luc canh
su can » su van, su cao, tu can
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: ((su canh) or (su can)) thoi tap, nghien cua cong hoc nganh khong hoc ma hoi dap thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su canh) OR (su can)) thoi tap, nghien cua cong hoc nganh khong hoc ma hoi dap thanh van.
• Adding a wildcard symbol may retrieve word variants: ((su canh) or (su can)) thoi tap, nghien cua cong hoc nganh khong hoc ma hoi dap thanh van*.