Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dung cong » dung trong
than phan » thanh phan, thanh pham, thanh nhan
toan phan » thanh phan, toan ban, hoa phan
chi tach » chiu trach, chiet tach, chi thanh
cua dung » cua dang, cua dong, qua dung
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 dung cong ((than phan) or (toan phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tach - canh tranh cua dung cong ((than phan) OR (toan phan)) cac.
• Adding a wildcard symbol may retrieve word variants: doi chi tach - canh tranh cua dung cong ((than phan) or (toan phan)) cac*.