Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doc chieu » doc hieu, doi chieu, toc thieu
trong tan » trong quan, trong ca, cong tan
tam dung » tam duong, tan dung, am dung
tac dung » sach dung, xay dung, tin dung
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: doc chieu xanh - thanh trung ((tam dung) OR (tac dung)) ((trong tan) or (trong cac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - thanh trung ((tam dung) OR (tac dung)) ((trong tan) OR (trong cac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc chieu xanh - thanh trung ((tam dung) OR (tac dung)) ((trong tan) or (trong cac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - thanh trung ((tam dung) OR (tac dung)) ((trong tan) or (trong cac)) toan ban*.