Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
hieu xanh » chieu xanh, hieu manh, hieu nganh
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - ((hanh trang) or (hanh trinh)) cua dung cong dan ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((hanh trang) OR (hanh trinh)) cua dung cong dan ((phan cau) OR (phan dau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - ((hanh trang) or (hanh trinh)) cua dung cong dan ((phan cau) OR (phan dau))*".