Perhaps you should try some spelling variations:
duy sang » duy van, duy can, duy anh
te sach » toc sach
hieu va » lieu va, hieu qua
cao luc » bao luc, cao duc, cao suc
va danh » va dinh, va dan, va hanh
danh ca » dan ca, doanh cua, danh cho
cua tre » cua te, cuu tre, cua triet
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va
ca cua » co cua

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: te sach ((duy sang) OR (ky nang)) ((ma hoa) OR (xa hoi)). hieu va cao luc va danh ca cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ((duy sang) or (ky nang)) ((ma hoa) or (xa hoi)). hieu va cao luc va danh ca cua tre*.