Question

Hi I was wondering how to make the tags more specific when you search for something in a list database?
For ex: I'm making a plant identification tool for work. So for the tags I have "grey bark, red bark, green leaves, red leaves". If I click the tag grey bark, of course all trees with grey bark will pop up. However, if I put the tags "grey bark" and "green leaves", instead of getting only grey bark and green leaf trees, everything that pops up are "grey bark-green leaf, red bark-green leaf" trees, because the tags only filter out trees without either.
But I want the tags to be able to only contain grey bark and green leaves, not any tree with grey bark and any tree with green leaves. I know that you can filter out the database to "only contains" but that is more for the display than helping my coworkers search for somethingl
I hope that makes sense!
Thanks!