Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
xuan chung » luan chung, xuat chung, xuan hung
cuong danh » cuon danh, huong dan, cuong linh
hien xanh » hien hanh, hien nhanh, hien khanh
canh tran » canh tranh, hanh trang, banh trang
tran xuan » tran quang, tran van
cong danh » cong dan, cong thanh, cong khanh
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 ((hien xanh) or (chieu xanh)) - canh tran xuan chung ((cong danh) OR (cuong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - canh tran xuan chung ((cong danh) OR (cuong danh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (chieu xanh)) - canh tran xuan chung ((cong danh) OR (cuong danh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - canh tran xuan chung ((cong danh) OR (cuong danh)) toan cau*.