I think
Teresa has a pretty sound, but I think it is a little dated. I picture an older woman with curly brown hair who is slightly overweight but very kind.
I prefer
Theresa. I prefer it to
Therese definitely.
Out of your combos, I like
Theresa Valerie,
Audrey Therese and
Therese Alessandra.
How about...
Theresa MathildeTheresa PearlTheresa MargaretTheresa VivianTheresa RosalieTheresa Juniper