Ok listen whenever you curate, you get a 50% curation reward and it also depends on how old the post is which you have curated.
It is not like if you have a very low vote power and you will get much hp in return for curation. There is not so much on hive if you are looking only for money, engage more and grow more and you will see some positive changes ✨
You might be getting very low curation rewards because you don't have much in your wallet. Look deeper, you will see some in 0.something there