Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
manh trung » thanh trung, manh hung, sinh trung
hoc thieu » toc thieu, hoc hien
manh tung » manh hung, thanh tung
ung cong » dung cong, luong cong, duong cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - ((manh trung) or (manh tung)) dap ung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((manh trung) OR (manh tung)) dap ung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((manh trung) or (manh tung)) dap ung cong dan than cau*.