Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
thoi tap » hoc tap, thoi dai, hoi tai
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
toi tap » toi gap, toan tap, tong tap
hoi van » hoi va, hoi dan, hai van
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: tu cach ((thoi tap) or (toi tap)), nghien cuu cong hoc nganh cong hoc ma hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach ((thoi tap) OR (toi tap)), nghien cuu cong hoc nganh cong hoc ma hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach ((thoi tap) or (toi tap)), nghien cuu cong hoc nganh cong hoc ma hoi van nhan dan*.