Query with “OR” not “AND”

You can do what you want on the Solr or Elasticsearch query:

https://www.wpsolr.com/guide/actions-and-filters/search-query-query/

Thank for your answer,

But you have an example ?
I need to make one query with OR : for example
../?wpsolr_fq=example_str:value&wpsolr_fq=example_str:value2 but with OR. If you have an example you are my GOD

Thank you so much

Sam