Horizons Galaxy map search question

Can you only ask for one parameter when doing a galaxy map search. If I ask for Boom systems only the map shows them but if I add Empire systems to Boom it now only shows Empire systems and not Empire Boom systems. If I noe add Anarchy in the search it only shows anarchy systems. Am I doing something wrong?
 
The only possible workaround that I can see is to take a snapshot of the map in each filtered condition and then superimpose them to see what changed. But it takes you out of the game (again).
 
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