Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung cuu » trung cua, trung cau, truong cua
cuu nong » cuu cong, cuu nang, cuu tong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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) OR (chieu xanh)) - thanh trung cuu nong ((cong dan) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh trung cuu nong ((cong dan) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - thanh trung cuu nong ((cong dan) or (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - thanh trung cuu nong ((cong dan) or (cong san)) phan cau*.