Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cuong » trung uong, trung duong, trong chuong
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
cuong dung » tuong duong, ung dung, thong dung
dung cong » dung trong
cong san » cong tac
san van » tan van, luan van, tran van

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 sach) or (chieu xanh))) or (diep tinh)) - thanh trung cuong dung cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chieu xanh))) OR (diep tinh)) - thanh trung cuong dung cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chieu xanh))) or (diep tinh)) - thanh trung cuong dung cong san van ban*.