Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
lang van » dang van, tang van, hoang van
tham xuc » tham nuoc, tham thuc, pham duc
te sach » toc sach
hang di » hang doi, hang vi, hang dien
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
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: te sach thu ((nang x) or (lang van)) hoi. hieu va tham xuc va ((hanh vi) or (hang di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu ((nang x) OR (lang van)) hoi. hieu va tham xuc va ((hanh vi) OR (hang di)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach thu ((nang x) or (lang van)) hoi. hieu va tham xuc va ((hanh vi) or (hang di)) cua tre*.