Perhaps you should try some spelling variations:
trong trinh » trong tinh, trang trinh, trong thinh
thanh duong » thanh huong, thanh cuong, thanh vuong
chieu sach » chiet tach, chieu sang, chieu xanh
thanh dung » thanh tung, thanh hung, hanh dung
trinh tran » trinh trang, trinh toan, trinh tren
tran tuan » tran xuan, tran quang, tran thanh
va dung » van dung, va duong, vat dung

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 (chinh sach)) - ((thanh dung) OR (thanh duong)) va dung trong trinh tran tuan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - ((thanh dung) OR (thanh duong)) va dung trong trinh tran tuan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chinh sach)) - ((thanh dung) OR (thanh duong)) va dung trong trinh tran tuan".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - ((thanh dung) OR (thanh duong)) va dung trong trinh tran tuan*.