Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
qua dung » quang dung, su dung, qua song
cong san » cong tac
than cau » phan cau, than cap, thanh chau
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 tranh qua dung cong san ((((than cau) or (toan cau))) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tranh qua dung cong san ((((than cau) OR (toan cau))) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh qua dung cong san ((((than cau) or (toan cau))) or (thanh lap))*.