Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cong thanh » dong thanh, cong trinh, truong thanh
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong tac » cong ty
cong tan » cong san, cong ty, cong ha
than cau » toan cau, phan cau, than cap

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 truong va thong ((cong tac) or (((cong thanh) OR (cong tan)))) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh truong va thong ((cong tac) OR (((cong thanh) OR (cong tan)))) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh truong va thong ((cong tac) or (((cong thanh) OR (cong tan)))) than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh truong va thong ((cong tac) or (((cong thanh) OR (cong tan)))) than cau*.