Perhaps you should try some spelling variations:
hanh hoi » hanh thoi, hanh noi, hanh hoa
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
duc ban » duc tan, duc van, dua ban
hoi cua » hoi chuc
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va
cam duc » cam xuc, cao duc, pham duc
su cac » su cao, su can, eu cac

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: ((su cac) OR (tu cac)) ky tang xa hoi. ((hieu ve) OR (hieu van)) cam duc ban hanh hoi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cac) OR (tu cac)) ky tang xa hoi. ((hieu ve) or (hieu van)) cam duc ban hanh hoi cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su cac) OR (tu cac)) ky tang xa hoi. ((hieu ve) or (hieu van)) cam duc ban hanh hoi cua tre*.