Perhaps you should try some spelling variations:
thanh tung » thanh cong
hanh trang » thanh trung, canh tranh, hanh trinh
dung cong » dung trong
doi hien » doi dien, doi bien, doi kien
cua dung » cua dang, cua dong, qua dung
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: ((doi hien) or (doi khi)) xanh - ((hanh trang) or (thanh tung)) cua dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi hien) OR (doi khi)) xanh - ((hanh trang) OR (thanh tung)) cua dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((doi hien) or (doi khi)) xanh - ((hanh trang) or (thanh tung)) cua dung cong dan van ban*.