@Reza33 It looks like you don't have any reviews yet. This may reduce the chances of your listing popping up immediately during a search. I wouldn't be concerned, if the listing is live then it will be searchable to guests. You could bring down your cost slightly for now or increase the flexibility of min/max stays just to build traffic. Once you have a few great reviews under your belt, your listing should pop up quickly upon searching.
@Reza33: Are you searching specific dates in April possibly? Your entire calendar for April is blocked so it won't show in the Search, if you are searching Date Specific for April.