https://sourcegraph.com/search

https://sourcegraph.com/search?q=context:global+dhall+env&patternType=literal

https://docs.sourcegraph.com/code_search
https://docs.sourcegraph.com/code_search/reference/queries

2024
Sourcegraph - Ways to Search in Code Search 0:00 of 4:56
    https://www.youtube.com/watch?v=yU3bwLzv6_A