Perhaps you should try some spelling variations:
thanh luu » thanh lieu, thanh ngu, thanh lap
thanh luc » than luc, nhan luc, thanh lap
hanh vai » hanh vi, hanh va, hanh tai
hieu van » hieu va, thien van, lieu va
than duc » tran duc, phan duc, than doc
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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 v nang xa hoi. hieu van ((((thanh luc) or (thanh luu))) or (than duc)) va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang xa hoi. hieu van ((((thanh luc) OR (thanh luu))) OR (than duc)) va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach v nang xa hoi. hieu van ((((thanh luc) or (thanh luu))) or (than duc)) va hanh vai cua tre*.