Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va
cam luc » cam xuc, cau luc
luc van » luoc van, luu van, duc van
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky tang xa hoi. ((hieu ve) or (hieu van)) cam luc van thanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky tang xa hoi. ((hieu ve) OR (hieu van)) cam luc van thanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: su xac ky tang xa hoi. ((hieu ve) or (hieu van)) cam luc van thanh hai cua tre*.