Perhaps you should try some spelling variations:
nganh khong » nhanh chong, nganh nong, nganh khoa
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh cong » nhanh chong, thanh cong
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
toc sach » hoc sach, doc sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » dong hoc, cong hoa, cong coc
hoi ban » hoi dan, hoi bai, doi ban
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: toc sach hoc tap, nghien thu cong hoc ((nganh khong) OR (nganh cong)) hoc xa hoi ban thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach hoc tap, nghien thu cong hoc ((nganh khong) OR (nganh cong)) hoc xa hoi ban thanh van".
• Adding a wildcard symbol may retrieve word variants: toc sach hoc tap, nghien thu cong hoc ((nganh khong) OR (nganh cong)) hoc xa hoi ban thanh van*.