Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua nang » chuc nang, chua xang, kha nang
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
van thanh » ban thanh, van tuan
manh cua » doanh cua, ban cua
dan toan » van toan, dan than, manh toan

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

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