Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
tam tong » tai tong, tam nong, tam song
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
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 chieu sang - thanh trung tam tong ((cong tan) OR (cong san)) ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung tam tong ((cong tan) OR (cong san)) ((toan tai) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung tam tong ((cong tan) OR (cong san)) ((toan tai) or (toan ban))*".