Perhaps you should try some spelling variations:
nganh dong » nhanh dong, nganh nong, nganh khong
nganh cong » nhanh chong, thanh cong
sach moi » sach doi, sach hoi, bach mai
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan dan » phan dau, gian dan, nhan tai
tu sach » thu sach, su sach, te sach
moi tap » moi tai, toi tap
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi ca » hoi cua, hoi cac, hoi cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach moi tap, nghien cuu mon hoc ((nganh dong) or (nganh cong)) thuoc xa hoi ca nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach moi tap, nghien cuu mon hoc ((nganh dong) OR (nganh cong)) thuoc xa hoi ca nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu sach moi tap, nghien cuu mon hoc ((nganh dong) or (nganh cong)) thuoc xa hoi ca nhan dan*.