Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chu bang, chua dong
hanh tang » hanh trang, anh tang, hanh mang
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao 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 tang) or (thanh trung)) cua hang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chuc nang)) - ((hanh tang) OR (thanh trung)) cua hang cong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) OR (chuc nang)) - ((hanh tang) or (thanh trung)) cua hang cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) OR (chuc nang)) - ((hanh tang) or (thanh trung)) cua hang cong dan van ban*.