Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
cong dan » cong san, cong tan, cong dong
toan cau » toan cao, toan ban, toan tap

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

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