Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh dong » thanh duong, thanh cong, hanh dong
luong tap » luong tai, cuong tap, luong tham
cong tap » cuong tap, cong tac, cong tan
toan ban » van ban

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 thanh dong ((cong tap) or (luong tap)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - thanh trung thanh dong ((cong tap) OR (luong tap)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - thanh trung thanh dong ((cong tap) or (luong tap)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sach)) - thanh trung thanh dong ((cong tap) or (luong tap)) toan ban*.