Reindexing can be done in 2 ways. One way is changing the reindex property on node to true and save it. It will reindex and update its value to false again. You can refer this link for detailed step by step process-https://blogs.perficient.com/2017/04/19/rebuild-indexes-in-aem-with-oak-index-manager...
Hi @DikshaBa1 ,You can use query performance URL and go to explain query tab where you run your query and check which index is being picked up and can further check if includes were added in that particular index or not.
Hi @DikshaBa1 ,Can you please try with below query:path=/content/<path>fulltext=SampleText.I tried this in we retail and it does fetch text from all levels of container