Spaces make the operator invalid, so it’s not actually filtering by date in that case: https://support.google.com/websearch/answer/2466433?hl=en https://support

Spaces make the operator invalid, so it’s not actually filtering by date in that case: https://support.google.com/websearch/answer/2466433?hl=en https://support.google.com/websearch/answer/2466433?hl=en “ To narrow your results in specific ways, you can use special operators in your search. Do not put spaces between the operator and your search term.”