Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh qua » tranh cua, thanh qua, trinh qua
cong nhat » cong nhan, cong ha, cong suat
qua dung » quang dung, su dung, qua song
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 - canh tranh qua dung ((cong nhat) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh qua dung ((cong nhat) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh qua dung ((cong nhat) or (cong san)) phan cau*.