Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang luan » tang luan, tranh luan, trang tuan
tieu xanh » tieu danh, chieu xanh, dieu hanh
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trang luan hang cong san ((((toan cau) OR (toan ban))) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trang luan hang cong san ((((toan cau) OR (toan ban))) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trang luan hang cong san ((((toan cau) OR (toan ban))) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trang luan hang cong san ((((toan cau) OR (toan ban))) or (van ban))*.