Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh hoa » thanh hoa, khanh hoa, danh hoa
sach doi » sach hoi, sach moi, sach dao
te sach » toc sach
doi dap » hoi dap, doi dau, do dap
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi chu » hoi chuc
chu han » chu van
han van » phan van, nhan van, hanh van
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 doi dap, nghien cuu mon hoc ((nganh khong) or (nganh hoa)) hoc xa hoi chu han van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach doi dap, nghien cuu mon hoc ((nganh khong) OR (nganh hoa)) hoc xa hoi chu han van.
• Adding a wildcard symbol may retrieve word variants: te sach doi dap, nghien cuu mon hoc ((nganh khong) or (nganh hoa)) hoc xa hoi chu han van*.