Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
dung cong » dung trong
chu xang » chu bang, chuc nang, chu quang
hang cua » mang cua, hang ca, huong cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xang) OR (chua xang)) - trinh ((ban cua) or (hang cua)) dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xang) OR (chua xang)) - trinh ((ban cua) OR (hang cua)) dung cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xang) OR (chua xang)) - trinh ((ban cua) or (hang cua)) dung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xang) OR (chua xang)) - trinh ((ban cua) or (hang cua)) dung cong dan toan ban*.