Perhaps you should try some spelling variations:
quang doan » quan doan, quang hoan, quang toan
chua nang » chuc nang, chua xang, kha nang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
chu bang » thu bang, chuc nang, chu quang
cua dong » chua dong, cua cong, cua dang
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua nang) or (chu bang)) - canh tranh cua dong cong ((van toan) or (quang doan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua nang) OR (chu bang)) - canh tranh cua dong cong ((van toan) OR (quang doan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chua nang) or (chu bang)) - canh tranh cua dong cong ((van toan) or (quang doan)) cao*.