Perhaps you should try some spelling variations:
luat chuong » luat thuong, luat chung, luat huong
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
cong lang » cong vang, cong luong, cong quang
cong san » cong tac
tan cau » toan cau, van cau, tan ca

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 trinh luat chuong ((cong san) or (cong lang)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh luat chuong ((cong san) OR (cong lang)) tan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh luat chuong ((cong san) or (cong lang)) tan cau*.