Discrepancy in Find Contacts Feature: 879 Matches vs. 80 Imports

Why when I use Find contacts feature it return that there are 879 matching, but when I import it adds only 80 ? Worbook : generate contacts from accounts table to contacts table :https://app.clay.com/workspaces/11155/workbooks/wb_s2d53gJCBuVz/tables/t_dC3dD6ETpTyA/views/gv_CHQnEQadbeyv