Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
tranh cua » doanh cua, manh cua
than phan » thanh phan, thanh pham, thanh nhan
toan phan » thanh phan, toan ban, hoa phan
khi tach » thi tac, khi sac
khi ta » khi va, khi thai, khi tham

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((khi tach) OR (khi ta)) - canh tranh cua nhung cong ((than phan) or (toan phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi tach) OR (khi ta)) - canh tranh cua nhung cong ((than phan) OR (toan phan)) cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((khi tach) OR (khi ta)) - canh tranh cua nhung cong ((than phan) or (toan phan)) cac".
• Adding a wildcard symbol may retrieve word variants: doi ((khi tach) OR (khi ta)) - canh tranh cua nhung cong ((than phan) or (toan phan)) cac*.