I used a suggested filter, but changed the topic to something else ("Tribology", randomly picked). There were no results, and I removed filter after filter, but

I used a suggested filter, but changed the topic to something else ("Tribology", randomly picked). There were no results, and I removed filter after filter, but still nothing until I had removed all other filters. In the end, there was just one Tweet. It would be nice if removing filters was easier and quicker, perhaps even a button to remove all filters but topic.