Below query returns 250 records
FIND {*test*} IN ALL FIELDS RETURNING Knowledge__kav(Id, Title WHERE PublishStatus='online' AND Language= 'en_US')
Below query returns 2000 records
FIND {*test*} IN ALL FIELDS RETURNING Knowledge__kav(Id, Title WHERE PublishStatus='online' AND Language= 'en_US' ORDER BY CreatedDate Desc)
Why does 'Order By' determine how many records to return? Is there any document which says to include Order By or something in a sosl query to retrieve more than 250 records?