Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach thue » sach thu, sach thieu, sach tham
thue hang » thu hang, thuy hang, thue thanh
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
thuc day » thuc dan
danh lai » danh sai, gianh lai, dinh lam
hang xa » hoang xa, hang va, hang ca
van lam » van nam
lai cua » dai cua, hai cua, lai chau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach thue hang xa hoi. hieu van lam ((thuc day) OR (thuc vat)) danh lai cua triet~.
• Adding a wildcard symbol may retrieve word variants: thuat sach thue hang xa hoi. hieu van lam ((thuc day) or (thuc vat)) danh lai cua triet*.