Everytime i try to get the ingredients to make smithing potion but they never work but my alchemy is only level 32
Potions won't fail regardless of alchemy level if you use the correct ingredients. According to the wiki, there are 4 ingredients you can use for fortify smithing:
Sabre Cat Tooth
A common method of leveling smiting is to buy as much iron as possible, make iron daggers, and enchant them. Sell the enchanted daggers for a profit, travel or wait to refresh shop inventory, and repeat.