Here is the master reference: https://docs.microsoft.com/en-us/azure/search/search-query-overview
for filtering search result see: https://docs.microsoft.com/en-us/azure/search/query-odata-filter-orderby-syntax
If you want results with the value greater than, then use “gt”
If you want results with the value lesser than, then use “lt”
If you want results equal to the value, then use “eq”
If you want result not-
If you want to combine multiple conditions, then use “and”
If you want to combine multiple conditions, then use “or”