Pizza dough doesn't rise just because of these common reasons: - Yeast is expired/old or not a good quality. - More flour or less yeast. - Dough resting time was not enough. - Yeast dissolve in cold or hot water. - Didn't use the sugar. - Fix this problem by adding little baking powder in all purpose flour make a mix with little water and add in your pizza dough that didn't rise. Knead the dough for few minutes and rest it for 1 hour. It will 70% will do the job.