Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
cuu tre » cau tren, cau treo
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach tu » cach tu, sach ty, sach uu
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach tu)) nang xa hoi. hieu ve cac xuc va hanh va ((cuu tre) OR (cua tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) or (sach tu)) nang xa hoi. hieu ve cac xuc va hanh va ((cuu tre) OR (cua tre))~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) or (sach tu)) nang xa hoi. hieu ve cac xuc va hanh va ((cuu tre) OR (cua tre))*.