Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
nuoc ban » nuoc san, quoc ban, buoc ban
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu van
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky nang cao hoi. ((hieu ve) OR (hieu va)) cac nuoc ban thanh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu san ky nang cao hoi. ((hieu ve) OR (hieu va)) cac nuoc ban thanh vai cua tre*.