Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
ho diep » hong diep, cho dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho diep tinh - ((hanh tranh) or (hanh trang)) cua dung ((cong dan) OR (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho diep tinh - ((hanh tranh) OR (hanh trang)) cua dung ((cong dan) OR (cong tan)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho diep tinh - ((hanh tranh) or (hanh trang)) cua dung ((cong dan) OR (cong tan)) than cau".
• Adding a wildcard symbol may retrieve word variants: ho diep tinh - ((hanh tranh) or (hanh trang)) cua dung ((cong dan) OR (cong tan)) than cau*.