Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » dong hoc, cong hoa, cong coc
te sach » toc sach
hoi cao » hoc cao, hoi co, hoi cho
cao van » cac van, dao van, cao dang
van tai » von tai, van tuan
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach hoc tap, nghien ((cua cong) or (thu cong)) hoc nganh cong hoc xa hoi cao van tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien ((cua cong) OR (thu cong)) hoc nganh cong hoc xa hoi cao van tai.
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien ((cua cong) or (thu cong)) hoc nganh cong hoc xa hoi cao van tai*.