Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
cong sat » cong suat, cong hat, cong nhat
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 cua dung ((cong sat) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua dung ((cong sat) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua dung ((cong sat) or (cong san)) phan cau*.