Perhaps you should try some spelling variations:
thanh tung » thanh cong
hanh trang » thanh trung, canh tranh, hanh trinh
doi chieu » doc hieu, doi chi, mot chieu
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, mot chieu
cua dang » cua cong, cua ban
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 chieu) OR (ho chieu)) xanh - ((thanh tung) or (hanh trang)) cua dang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - ((thanh tung) OR (hanh trang)) cua dang cong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) xanh - ((thanh tung) or (hanh trang)) cua dang cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) xanh - ((thanh tung) or (hanh trang)) cua dang cong dan van ban*.