Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh hai » thanh hai, nhanh hai, hang hai
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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

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