Perhaps you should try some spelling variations:
hanh trinh » canh tranh
chieu xanh » chieu sach, chieu sang, chieu tinh
thieu anh » thien anh, thien danh, thieu nhi
hung cong » nhung cong, hung cuong, phung cong
van hung » van dung, manh hung, van duong
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: hoc ((thieu anh) or (chieu xanh)) - ((hanh trinh) OR (hanh chinh)) van hung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu xanh)) - ((hanh trinh) OR (hanh chinh)) van hung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) or (chieu xanh)) - ((hanh trinh) OR (hanh chinh)) van hung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (chieu xanh)) - ((hanh trinh) OR (hanh chinh)) van hung cong dan than cau*.