Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
thanh cap » thanh lap, hanh cap, than cap
cua dong » chua dong, cua cong, cua dang
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong 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 ((chiet tach) or (chieu sang)) - canh tranh cua dong ((cong van) OR (song van)) thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sang)) - canh tranh cua dong ((cong van) OR (song van)) thanh cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (chieu sang)) - canh tranh cua dong ((cong van) OR (song van)) thanh cap".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sang)) - canh tranh cua dong ((cong van) OR (song van)) thanh cap*.