Perhaps you should try some spelling variations:
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
ban anh » ban hanh, ban banh, ban danh
anh dai » vanh dai, anh bai, anh dat
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang xa hoi. ((hieu ve) or (hieu qua)) ((cao duc) or (cam xuc)) ban anh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang xa hoi. ((hieu ve) OR (hieu qua)) ((cao duc) OR (cam xuc)) ban anh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang xa hoi. ((hieu ve) or (hieu qua)) ((cao duc) or (cam xuc)) ban anh dai cua tre*.