Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
sach thu » sach thue, sach thieu, sach tham
tham xuc » tham nuoc, tham thuc, pham duc
dai cuu » dai cua, dai huu
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, xach tay
hieu va » lieu va
hang xa » hoang xa, hang va, hang ca
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: te ((sach ty) OR (sach thu)) hang xa hoi. ((hieu va) or (hieu qua)) tham xuc va hanh dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach thu)) hang xa hoi. ((hieu va) OR (hieu qua)) tham xuc va hanh dai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach thu)) hang xa hoi. ((hieu va) or (hieu qua)) tham xuc va hanh dai cuu tre*".