Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong luan » tong luan, cong tuan, dong luan
doc hieu » toc thieu, hoc thieu, hoc hien
hoan dau » khoan dau, doan dau, han dau
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - canh tranh cua nhung cong luan ((hoan dau) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) xanh - canh tranh cua nhung cong luan ((hoan dau) or (phan dau))~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) xanh - canh tranh cua nhung cong luan ((hoan dau) or (phan dau))*.