Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
cong quang » luong quang, thong quang, duong quang
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua bang » chua bang, cua ban, cua dang
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 - hanh doanh cua bang ((cong quang) or (cong thanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh doanh cua bang ((cong quang) OR (cong thanh)) phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh doanh cua bang ((cong quang) or (cong thanh)) phan cau*.