I'm unsure exactly what you mean, have you noticed that flatulence has increased since you started vaping, or do you want to increase your gas levels for some reason using vaping?
If it is the first, when you quit smoking a pretty common side effect is changes in that area, wether it be constipation or more/less gas.
If it is the second, I don't know what to advise. There are other ways of making people move out of your home, not just increasing your farts till they have to leave for fear of their life.