Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thang cong » thanh cong, thang long, thong cong
tranh van » tran van, trinh van, thanh van
van thang » van thanh, van khang, van hang
toan phan » thanh phan, toan ban, hoa phan
va phan » van phan, va phat, va phap

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 xanh) or (chieu sach)) - canh tranh van thang cong ((va phan) or (toan phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh tranh van thang cong ((va phan) OR (toan phan)) tu.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh tranh van thang cong ((va phan) or (toan phan)) tu*.