Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nganh » hoc nhanh
thu cach » thuc cach, thu canh, tu cach
cong hoc » dong hoc, cong hoa, cong coc
toan hoc » toan khoa, van hoc, hoa hoc
huu toan » huu tuan, cuu toan, huy toan
thoi tap » hoc tap, thoi dai, hoi tai
nhan dan » phan dau, gian dan, nhan tai
toi tap » toi gap, toan tap, tong tap
cu nhan » ca nhan
hoc xa » hoc ma
hoi cu » hoi chu, hoi cua, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach ((thoi tap) or (toi tap)), nghien huu toan hoc nganh cong hoc xa hoi cu nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach ((thoi tap) OR (toi tap)), nghien huu toan hoc nganh cong hoc xa hoi cu nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu cach ((thoi tap) or (toi tap)), nghien huu toan hoc nganh cong hoc xa hoi cu nhan dan*.