Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach phu » sach thu, sach phat, sach thue
phu lang » phap lang, phu khang, phu luong
cay phoi » cap phoi, tay hoi, cay cho
lam thuc » lam thuoc, am thuc, nam thuc
thuc dan » thuc hanh, hoc dan, thuc vat
dan dinh » dang dinh, doan dinh, van dinh
dinh lai » dinh lam, dinh lap, dinh tai
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach phu lang ((xa hoi) or (cay phoi)). hieu va lam thuc dan dinh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach phu lang ((xa hoi) OR (cay phoi)). hieu va lam thuc dan dinh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach phu lang ((xa hoi) or (cay phoi)). hieu va lam thuc dan dinh lai cua tre*.