Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
truong ca » truong cao, trong ca, truong dai
truong va » truong dai, truong cao, truong dao
ban than » ban thanh, van thanh, ban hanh
ban hang » ngan hang
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh ((truong ca) OR (truong va)) thong cong ((ban than) or (ban hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((truong ca) OR (truong va)) thong cong ((ban than) OR (ban hang)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh ((truong ca) OR (truong va)) thong cong ((ban than) or (ban hang)) cau".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((truong ca) OR (truong va)) thong cong ((ban than) or (ban hang)) cau*.