Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
ly quang » le quang, vu quang
cua tre » cua te, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
ly vang » ly hang, ly van
cuu tre » cau tren, cau treo
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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: thu sach ((ly vang) OR (ly quang)) x hoi. hieu ve cam xuc va hanh vai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((ly vang) OR (ly quang)) x hoi. hieu ve cam xuc va hanh vai ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: thu sach ((ly vang) OR (ly quang)) x hoi. hieu ve cam xuc va hanh vai ((cua tre) or (cuu tre))*.