Perhaps you should try some spelling variations:
ban thanh » ban hang
kho tang » cao tang
ban hanh » ban hang
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, ky trong
hai cua » thai cua, dai cua, hoi cua
su can » su van, su cao, tu can
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

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