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 dung » luat chung, thuat dung, xuat duong
suat dung » thuat dung, xuat duong, suat huong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 dung) OR (suat dung)) cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((luat dung) OR (suat dung)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((luat dung) OR (suat dung)) cong dan toan cau*.