Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
van lam » van nam
lam xuc » cam xuc, lam duoc
hanh va » hang va
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va

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 sang) or (ky tang)) ma hoi. hieu van lam xuc va ((hanh va) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ((ky sang) OR (ky tang)) ma hoi. hieu van lam xuc va ((hanh va) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ((ky sang) or (ky tang)) ma hoi. hieu van lam xuc va ((hanh va) or (hanh vi)) cua tre*.