Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
doc chieu » doc hieu, doi chieu, hoc thieu
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

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