# Search

{% content-ref url="search/search-papers-by-content" %}
[search-papers-by-content](https://docs.ipaper.io/flipbook-backend-api/search/search-papers-by-content)
{% endcontent-ref %}

{% content-ref url="search/search-papers-by-custom-fields" %}
[search-papers-by-custom-fields](https://docs.ipaper.io/flipbook-backend-api/search/search-papers-by-custom-fields)
{% endcontent-ref %}

{% content-ref url="search/search-papers-with-hierarchy-by-content" %}
[search-papers-with-hierarchy-by-content](https://docs.ipaper.io/flipbook-backend-api/search/search-papers-with-hierarchy-by-content)
{% endcontent-ref %}

{% content-ref url="search/search-papers-with-hierarchy-by-name" %}
[search-papers-with-hierarchy-by-name](https://docs.ipaper.io/flipbook-backend-api/search/search-papers-with-hierarchy-by-name)
{% endcontent-ref %}