Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chuc danh
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
cac cau » bac cau, ca cau, cac cam
cac mau » cam mau, sach mau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - thanh trung cua dung cong san ((cac cau) or (cac mau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - thanh trung cua dung cong san ((cac cau) OR (cac mau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - thanh trung cua dung cong san ((cac cau) or (cac mau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - thanh trung cua dung cong san ((cac cau) or (cac mau))*.