Perhaps you should try some spelling variations:
sach thu » sach thue, sach tham, cach thuc
hanh lai » hanh lam, hanh tai, thanh lap
lang van » dang van, tang van, hoang van
lai cua » dai cua, hai cua, lai chau
thuc va » thuc vat, thuc dan, thuc day
van cam » van nam, van lam, van cau
thi van » thi lan, thi hanh, thi nang
van hoi » van hoa, van hoc, van hoe
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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 thu) OR (sach thieu)) lang van hoi. thi van cam ((xuc va) or (thuc va)) hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach thieu)) lang van hoi. thi van cam ((xuc va) OR (thuc va)) hanh lai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) OR (sach thieu)) lang van hoi. thi van cam ((xuc va) or (thuc va)) hanh lai cua tre*".