How to fire multiple Rules Actions in a single rule?
I see "data set" which I'm 99% sure means your field is either set to one value.. Or in taxonomy, it could mean  that setting data overwrites previous values. So your rules might simply overwriting each other.

I can't remember much about taxonomy but change your field to infinite values if not already and use the rules action, " Add an item to list" if possible.

On a separate note, you should avail of the action "fetch entity by property" and only have maybe one rule for everything. So you'd add an integer field to your taxonomy terms and use the rules action to fetch it using the integer provided. Let me know if you want to try it.