Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh luan » trinh luan, trinh luat, doanh luan
luan chung » luan chinh
hoc thieu » toc thieu, hoc hien
duong van » duong va, luong va, dang van
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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 - canh tranh luan chung ((cong san) OR (duong van)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh luan chung ((cong san) OR (duong van)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh luan chung ((cong san) OR (duong van)) toan cau*.