Perhaps you should try some spelling variations:
tien trinh » tien thinh, bien tinh, tien thanh
nhung cong » dung cong, thong cong, hang cong
theo tien » theo tieu, thuc tien, theo tcvn
tranh va » tranh van, trang va, trinh va
dan phan » doan phan, dan chan, dam phan
van phan » van phong, van thanh, luan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tien trinh - canh tranh va nhung cong ((dan phan) OR (van phan)) cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tien trinh - canh tranh va nhung cong ((dan phan) OR (van phan)) cac".
• Adding a wildcard symbol may retrieve word variants: theo tien trinh - canh tranh va nhung cong ((dan phan) OR (van phan)) cac*.