Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thong cong » trong cong, tong cong, thong thong
tieu lang » hieu lang, tien lang, tieu dung
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
hang dau » hang va, hang tai
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu lang - doanh doanh cua thong cong tan ((hang dau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu lang - doanh doanh cua thong cong tan ((hang dau) OR (phan cac))*.