marketplace algorithm

Hello all hope your doing well.

Im a marketplace reseller (based in the uk) and usually whenever I search for eg 'iPhone' a new listing pops up on marketplace every 3 minutes, however recently whenever I search and refresh a new listing pops up every half an hour. I don't know why the algorithm limits the new listings I see and why this happens and any help to a solution would be great. Am willing to pay.

do multiple accounts have the same problems? using VPN?

Do you mean that whenever you search for something on facebook, Facebook will give you a series of suggestions for what you are looking for?

Maybe it's a keyword problem?
Have you tried different keywords or changed your search profile?

Are you running vanilla connection, VPN, proxy, etc., since there could be an issue on those. Could be a chance based thing if your product, newly listed or now, gets recommended first. Could even depend on the listing product itself.