how to make - filtering entries in view for different users?

how to make - filtering entries in view for different users?

hi

just made new view
there is 2 users - user1 and user2

entries in view contains data "data1" and "data2"

how can i make in view so that 
- user1 can view entries that contains "data1" 
- user2 can view entries that contains "data2" 

?

thank you!