Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
theo nhieu » theo chieu, theo tieu, he nhieu
nhieu tang » chieu sang, hieu lang, nhiet nang
thong cong » trong cong, tong cong, thong thong
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
nvan tai » nhan tai, nan tai, nganh tai
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo nhieu tang - doanh doanh cua thong cong san ((van tai) or (nvan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo nhieu tang - doanh doanh cua thong cong san ((van tai) OR (nvan tai)).
• Adding a wildcard symbol may retrieve word variants: theo nhieu tang - doanh doanh cua thong cong san ((van tai) or (nvan tai))*.