Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cao » truong dai
hieu lang » hieu quang, nhieu tang, hieu van
cao dung » cao dang, cao dong, cao ung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van ban

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) OR (chieu sang)) - thanh truong cao dung ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - thanh truong cao dung ((cong tan) OR (cong san)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (chieu sang)) - thanh truong cao dung ((cong tan) or (cong san)) toan ban*".