Perhaps you should try some spelling variations:
doanh tranh » doanh thanh, canh tranh, doanh doanh
thieu xanh » chieu xanh, hieu manh, thien anh
bang suong » bang song, bang tuong, bang phuong
suong bang » cuong bang, muong bang, tuong bang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua bang » chua bang, cua ban, cua dang
than cau » toan cau, phan cau, than cap
khan cap » khan ap, than cap, khoan cam

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 - doanh tranh cua bang suong bang ((than cau) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - doanh tranh cua bang suong bang ((than cau) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - doanh tranh cua bang suong bang ((than cau) or (khan cap))*.