Perhaps you should try some spelling variations:
dung cua » dung luan, dung cho
su sach » so sach, vu sach
cua tre » cua te, cua triet, dua tren
sach ky » sac ky, sach y, sach ty
dung co » dung cho, dung cong
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo
tuc va » thuc va, truc va, tuc xa
va cam » va cham, va cac, va cao

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 xa hoi. hieu va cam tuc va ((dung co) OR (dung cua)) ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu va cam tuc va ((dung co) OR (dung cua)) ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu va cam tuc va ((dung co) OR (dung cua)) ((cua tre) or (cuu tre))*.