You can try to use the words in quotes like
%genre% HAS Pop AND %genre% HAS "Psych"
But as the word "Psych" is also included in Psychedelic you may have to combine them with some AND NOT combinations as in this example topic:
You can try to use the words in quotes like
%genre% HAS Pop AND %genre% HAS "Psych"
But as the word "Psych" is also included in Psychedelic you may have to combine them with some AND NOT combinations as in this example topic: