Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
luat hang » luat hanh, luat chung, luat huong
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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