Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
phong van » phung van, thong van, phong va
thoi tap » toi tap, hoc tap, thoi dai
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
tu cach » tu cac
ma hoi » mai hoi, ma hoa, me hoi

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 cong hoc nganh khoa hoc ((ma hoi) or (xa hoi)) hai phong van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) OR (xa hoi)) hai phong van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) or (xa hoi)) hai phong van*.