Buddypress Activity search with OR query instead of AND

Take a look at this filter:

$where_conditions = apply_filters( 'bp_activity_get_where_conditions', $where_conditions, $r, $select_sql, $from_sql, $join_sql );

In \buddypress\bp-activity\bp-activity-classes.php ~L. 418

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)