Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chat xuc » chat huu, cam xuc, chao xu
van hanh » ban hanh, van anh, van ban
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc ((van hanh) OR (van thanh)) vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc ((van hanh) or (van thanh)) vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. ((hieu ve) OR (hieu va)) chat xuc ((van hanh) or (van thanh)) vai cua tre*.