Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
chi tach » chiu trach, chiet tach, chi thanh
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tach - canh tranh cua hang cong tan ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tach - canh tranh cua hang cong tan ((phan cac) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: doi chi tach - canh tranh cua hang cong tan ((phan cac) or (phan dau))*.