Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
van khang » van khanh, van thanh, van quang

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 - canh tranh cua nhung cong ((manh toan) or (van khang)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - canh tranh cua nhung cong ((manh toan) OR (van khang)) ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - canh tranh cua nhung cong ((manh toan) or (van khang)) ban*.