Perhaps you should try some spelling variations:
chung xang » nhung lang, chua xang, chung han
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
ho chung » so chung, cho chuong, chon chung
dan toan » van toan, dan than, xuan toan
anh ban » anh bang, anh bai, anh van
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chung xang - anh ban va dung cong ((dan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chung xang - anh ban va dung cong ((dan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chung xang - anh ban va dung cong ((dan toan) or (manh toan)) cau*.