Ob-Gyn questions? Ask a gynecologist online.
Most women do not orgasm with vaginal intercourse alone. It is clitoral stimulation that controls orgasm You will have most luck using the female on top position aiding with a vibrator that your partner controls. You can also try the "coital alignment technique" Alot is written about it online. You are entirely normal This is a common issue.
You might want to start with a small personal hand held one that you buy at the drug store. They are marketed as personal massagers and found near the condoms. Packaged discretely