Perhaps you should try some spelling variations:
quang toan » quang tuan, quang tran, quang doan
chua xang » chua nang, chuc nang
canh manh » lanh manh, canh tranh, cach mang
manh chua » manh cua, tranh chua, benh chua
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
chu bang » thu bang, chuc nang, chu quang
van tan » van tuan, van ban, van tai

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 xang) or (chu bang)) - canh manh chua dong cong ((van tan) or (quang toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu bang)) - canh manh chua dong cong ((van tan) OR (quang toan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu bang)) - canh manh chua dong cong ((van tan) or (quang toan)) cao*.