Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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) or ((chuc OR chu) nang)) - ((hanh tang) or (anh tang)) cua nhung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR ((chuc OR chu) nang)) - ((hanh tang) OR (anh tang)) cua nhung cong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or ((chuc OR chu) nang)) - ((hanh tang) or (anh tang)) cua nhung cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or ((chuc OR chu) nang)) - ((hanh tang) or (anh tang)) cua nhung cong dan van ban*.