Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
luat van » luan van, luat dan, luat va
van cong » van dong, van phong, phan cong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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: toc ((thieu xanh) OR (chieu xanh)) - hanh trinh luat van cong tan than ban~.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (chieu xanh)) - hanh trinh luat van cong tan than ban*.