Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong luan » cong tuan, dong luan, cong luong
tong luan » tang luan, dung luan, hang luan
cho dieu » cao dieu, co dieu, khoa dieu
phan dau » phan tu, hang dau
ho diep » hong diep

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho diep) or (cho dieu)) tinh - canh tranh cua nhung ((cong luan) OR (tong luan)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho diep) OR (cho dieu)) tinh - canh tranh cua nhung ((cong luan) OR (tong luan)) phan dau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho diep) or (cho dieu)) tinh - canh tranh cua nhung ((cong luan) OR (tong luan)) phan dau*".