Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh thanh » canh tranh, danh thanh, anh thanh
hoc thieu » toc thieu, hoc hien
san bang » san sang, gan bang, san bong
can bang » cao bang, can ban, van ban
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh thanh ((san bang) or (can bang)) ((cong dan) or (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh thanh ((san bang) OR (can bang)) ((cong dan) OR (huong dan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh thanh ((san bang) or (can bang)) ((cong dan) or (huong dan)) toan cau*.