Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
ban thanh » ban hanh, ban hang
thanh van » thanh san, thanh toan, thanh phan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
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: te ((sach hoc) OR (cach hoc)) tap, nghien cuu long hoc nganh khong hoc xa hoi ban thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach hoc) OR (cach hoc)) tap, nghien cuu long hoc nganh khong hoc xa hoi ban thanh van".
• Adding a wildcard symbol may retrieve word variants: te ((sach hoc) OR (cach hoc)) tap, nghien cuu long hoc nganh khong hoc xa hoi ban thanh van*.