Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
hieu va » lieu va, hieu qua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
hai cua » thai cua, dai cua, hoi cua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
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 sac ky lang xa hoi. ((hieu ve) or (hieu va)) cam xuc ((ban thanh) or (ban hanh)) hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. ((hieu ve) OR (hieu va)) cam xuc ((ban thanh) OR (ban hanh)) hai cua te.
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. ((hieu ve) or (hieu va)) cam xuc ((ban thanh) or (ban hanh)) hai cua te*.