Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dong » hanh dong, nhanh dong, thanh long
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong san » cong tac
san than » sang than, san thanh, ban than
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 dong) OR (thanh duong))) or (thanh cong)) cua tong cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((((thanh dong) OR (thanh duong))) OR (thanh cong)) cua tong cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((((thanh dong) OR (thanh duong))) or (thanh cong)) cua tong cong san than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((((thanh dong) OR (thanh duong))) or (thanh cong)) cua tong cong san than cau*.