Problem with ApiMethod searchRecords

Hi.I have a problem with api searchRecord, if it was working but today does not filter the information and I do not download it, I use C #.

I have tried with getRecors and I have no problems with said ApiMethod.

https://crm.zoho.com/crm/private/xml/SalesOrders/searchRecords? authtoken=Auth Token&scope=crmapi&criteria=(Status:Tramitar)

Beforehand thank you very much