Perhaps you should try some spelling variations:
thieu xanh » thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh van » tran van, trinh van, thanh van
bang cong » dang cong, bang song, hang cong
van bang » van ban, van nang, von bang
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 xanh) OR (chieu xanh))) or (hieu manh)) - canh tranh van bang cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (chieu xanh))) OR (hieu manh)) - canh tranh van bang cong dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (chieu xanh))) or (hieu manh)) - canh tranh van bang cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) OR (chieu xanh))) or (hieu manh)) - canh tranh van bang cong dan chan cau*.