Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van hanh » ban hanh, van anh, van ban
thu sai » thu hai, thu tai, thu san
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu van
hieu va » lieu va, hieu qua
lai cho » lai chau, bai choi, lai cuoc
cho tre » cho thue, khoe tre
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sai ky nang cao hoi. ((hieu ve) OR (hieu va)) cam xuc ((van hanh) or (van thanh)) lai cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sai ky nang cao hoi. ((hieu ve) OR (hieu va)) cam xuc ((van hanh) OR (van thanh)) lai cho tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sai ky nang cao hoi. ((hieu ve) OR (hieu va)) cam xuc ((van hanh) or (van thanh)) lai cho tre".
• Adding a wildcard symbol may retrieve word variants: thu sai ky nang cao hoi. ((hieu ve) OR (hieu va)) cam xuc ((van hanh) or (van thanh)) lai cho tre*.