Search mail is not working properly

Search mail is not working properly

Hello, 

I'm having trouble with the search function on some emails. 
Recent emails do not show up and it doesn't matter what parameter I give it. 

As seen in the images, 
I received a mail on Jan 5 with "Camtobell" in the title, 
but when searching for it the last mail shown is from December. 
 
Does anyone know how to fix it?






After searching....






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