Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh sai » hanh san, hanh tai, danh sai
cau treo » cau theo, cau triet, cau trieu
cau tren » cu tren, dau tren, ca tren
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
ty nang » ky nang, ty xang, ty hang
va hanh » van hanh, va thanh, va danh
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: thu sach ty nang xa hoi. hieu va cac xuc va hanh sai ((cua tre) or (((cau treo) or (cau tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang xa hoi. hieu va cac xuc va hanh sai ((cua tre) OR (((cau treo) OR (cau tren)))).
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. hieu va cac xuc va hanh sai ((cua tre) or (((cau treo) or (cau tren))))*.