In aquaria, some cichlid species are really easy to breed and some are exceedingly difficult. There are many factors and variables that contribute to breeding success.
If you don't have much experience with a species that you're wanting to breed, you can try increasing the frequency of your water changes. If you're a weekly changer, consider increasing to every three days and vary the change volume. Many species can be enticed to breed simply with frequent, small water changes. Other options include making changes to diet, water parameters, and water flow.
If you really want to know the secret to breeding your species, find someone who has successfully bred them. Ask around and don't be afraid to reach out. Many cichlidophiles are happy to share their breeding knowledge and secrets.
The Cichlid Room Companion
Tropical Fish Hobbyist
American Cichlid Assoc.
African Cichlid Hub