Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
thu canh » thuc hanh, thu cong, thu ban
cuu toan » cuu hoan, cua toan, huu toan
toan hoc » toan khoa, van hoc, hoa hoc
cong hoc » dong hoc, cong hoa, cong coc
nhan dan » phan dau, gian dan, nhan tai
hoi tai » hoc tai, hoi trac
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 canh ((hoi tai) or (toi tap)), nghien cuu toan hoc nganh cong hoc xa hoi cu nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu canh ((hoi tai) OR (toi tap)), nghien cuu toan hoc nganh cong hoc xa hoi cu nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu canh ((hoi tai) or (toi tap)), nghien cuu toan hoc nganh cong hoc xa hoi cu nhan dan*.