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