Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (cho chu)) xanh - ((thanh trung) or (hanh trinh)) cua nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (cho chu)) xanh - ((thanh trung) OR (hanh trinh)) cua nhung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (cho chu)) xanh - ((thanh trung) or (hanh trinh)) cua nhung cong dan toan cau*.