Perhaps you should try some spelling variations:
ban thanh » ban hang
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
hai cua » thai cua, dai cua, hoi cua
su cac » tu cac, su cao, su can
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 cac ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc ((ban thanh) or (ban hanh)) hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc ((ban thanh) OR (ban hanh)) hai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc ((ban thanh) or (ban hanh)) hai cua te".
• Adding a wildcard symbol may retrieve word variants: su cac ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc ((ban thanh) or (ban hanh)) hai cua te*.