Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
cong dan » cong tan, huong dan, cong tac
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 - hanh trang cua cong ((((cong dan) or (cong dong))) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang cua cong ((((cong dan) OR (cong dong))) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang cua cong ((((cong dan) or (cong dong))) or (cong san)) toan cau*.