Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trai tuan » tran tuan, tri tuan, tai tuan
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tac » cong ty
tac trai » tam trai, khac trai, rac thai

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 (diep tinh)) - thanh trung ((cua dung) OR (cua dang)) cong tac trai tuan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (diep tinh)) - thanh trung ((cua dung) OR (cua dang)) cong tac trai tuan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (diep tinh)) - thanh trung ((cua dung) OR (cua dang)) cong tac trai tuan".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (diep tinh)) - thanh trung ((cua dung) OR (cua dang)) cong tac trai tuan*.