Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chu bang, chua dong
hanh tung » thanh tung, manh tung, hanh dung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
san van » tan van, luan van, tran van
chuc » thuc, chu, phuc

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