What's your weight and height at the moment?

Big butt  usually got big hole. Manostart essentially can be bulking for woman
U need to train very Very hard to manostart the process

I can understands your frustration. 1 year with less than desirable results makes plenty of people giving up.
Your best bet is to seek professional service like a trainer, where they can point out where you have not been doing right. eg. Intensity, diet, frequency, form and technic.
If you can't afford one or do not wish to engage one.
You can stay tune in here by bumping this thread.
Tell us your current body type, height and weight for us to have some idea what you need to change and adapt to.