Perhaps you should try some spelling variations:
thanh trung » thanh tung
dong thuong » cong thuong, dong thong, dung thuong
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
trung qua » trung quan, trong qua, trung cua
qua dong » quan dong, qua duong, qua song
dan chan » dan ca, van chat

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh trung qua dong thuong ((dan chan) OR (dan gian)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu sach)) - thanh trung qua dong thuong ((dan chan) OR (dan gian)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - thanh trung qua dong thuong ((dan chan) OR (dan gian)) cau*.