Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
lang ha » long ha
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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: su sach ky ((nang x) OR (lang ha)) hoi. hieu ve cam xuc va hanh vi ((cua tre) OR (cau treo))~.
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang x) or (lang ha)) hoi. hieu ve cam xuc va hanh vi ((cua tre) or (cau treo))*.