Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khung » nhanh hung
chuc nhan » thuc nhan, chuc nganh, chung nhan
sach doi » sach hoi, sach moi, sach dao
nhan van » nhan dan, nhan va, phan van
su sach » so sach, vu sach
doi tap » doi tac, doi dap, doi tai
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
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 doi tap, nghien cuu mot hoc ((nganh khung) or (nganh khong)) hoc xa hoi chuc nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach doi tap, nghien cuu mot hoc ((nganh khung) OR (nganh khong)) hoc xa hoi chuc nhan van.
• Adding a wildcard symbol may retrieve word variants: su sach doi tap, nghien cuu mot hoc ((nganh khung) or (nganh khong)) hoc xa hoi chuc nhan van*.