Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nganh khong » nganh cong, nhanh chong, nganh nong
thuat sach » thuat lanh, thuat san
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
sach hoi » sach doi, sach moi, cach thoi
thuoc xa » thuoc ma, thuoc va, thuoc la
hoi tap » hoi dap, hoc tap, hoi tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan

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

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