Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
thuong hoc » truong hoc, tuong hoc, thuong ho
hoc nganh » hoc nhanh
thong hoc » tuong hoc, thong hoa, thong hoi
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
sach hoc » cach hoc, sach hoi, mach hoc
tu sach » thu sach, su sach, te sach
mot hoc » mon hoc, mo hoc, mot goc
hai ban » hai bang, hai ba, tai ban
ma hai » ta hai, va hai, xa hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoc tap, nghien cua mot hoc nganh ((thuong hoc) or (thong hoc)) ma hai ban thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cua mot hoc nganh ((thuong hoc) OR (thong hoc)) ma hai ban thanh van.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cua mot hoc nganh ((thuong hoc) or (thong hoc)) ma hai ban thanh van*.