Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
theo chieu » ho chieu, theo chu, thi chieu
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo tieu)) tinh - ((anh tang) or (hanh trang)) cua dung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - ((anh tang) OR (hanh trang)) cua dung cong dan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) tinh - ((anh tang) or (hanh trang)) cua dung cong dan toan cao*".