Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chau tinh » cuu tinh, ha tinh, cua tinh
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
danh toan » anh toan, dan toan, dang toan
manh toan » thanh toan, anh tuan, tinh toan
van dung » van dong, xay dung, tin 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 sang) or (chau tinh)) - canh tranh van dung cong ((danh toan) or (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chau tinh)) - canh tranh van dung cong ((danh toan) OR (manh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chau tinh)) - canh tranh van dung cong ((danh toan) or (manh toan)) tap*.