Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
khong cong » thong cong, khong cang, chong cong
tam khong » ta khong, tao khong, tam thuong
nhanh cau » nhanh cay, thanh chau, nhanh ha
cong ban » cong bang, cong san, cong tan
hanh cau » hang cau, hanh cac, hanh cat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sach)) - thanh trung tam khong cong ban ((hanh cau) OR (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - thanh trung tam khong cong ban ((hanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - thanh trung tam khong cong ban ((hanh cau) OR (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - thanh trung tam khong cong ban ((hanh cau) OR (nhanh cau))*.