Troubleshooting
Two problems come up more than any others: a search that returns nothing, and a column or filter that is missing. Both are nearly always down to indexing, or to a capability that is not installed. Start with the page that matches what you see.
#In this section
A search returns nothingAlmost always indexing, a leading wildcard, or a capability that is not installed.A column or filter is missingColumns come from capabilities. If one is missing, so is its capability.
#Related
Check coverage before you doubt the query.
