Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 ((chu xanh) OR (chua xang)) - anh tang cua nhung cong ((dan toan) OR (dan than)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - anh tang cua nhung cong ((dan toan) or (dan than)) cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - anh tang cua nhung cong ((dan toan) or (dan than)) cao*.