Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
cua triet » cua viet, su triet, va triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
hai cua » thai cua, dai cua, hoi cua
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
tuc va » thuc va, truc va, tuc xa

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 san ky nang xa hoi. ((hieu ve) OR (hieu va)) cac ((tuc va) OR (thuc vat)) thanh hai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang xa hoi. ((hieu ve) OR (hieu va)) cac ((tuc va) or (thuc vat)) thanh hai cua triet~".
• Adding a wildcard symbol may retrieve word variants: te san ky nang xa hoi. ((hieu ve) OR (hieu va)) cac ((tuc va) or (thuc vat)) thanh hai cua triet*.