Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
su dai » sau dai, si dai, su tai
dai ky » dan ky, dai ly, sai ky
ve cam » ve cham, ve cac, va cam

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

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