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
sach moi » sach doi, sach hoi, bach mai
cac thoi » cac toi, cac hop, cac tro
cau phan » chau phan, cuu phan, cac phan
phan van » pham van, thanh van, luan van
hoi cau » hoi chu, hoc cau, hoa cau
cuu co » huu co, cua co, cuu mo
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: su ((sach moi) or (cac thoi)) tap, nghien cuu co hoc nganh khong hoc xa hoi cau phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach moi) OR (cac thoi)) tap, nghien cuu co hoc nganh khong hoc xa hoi cau phan van.
• Adding a wildcard symbol may retrieve word variants: su ((sach moi) or (cac thoi)) tap, nghien cuu co hoc nganh khong hoc xa hoi cau phan van*.