Similar to Nexis Uni, because this is a full text database, using - and - to connect your concepts will, in most cases, result in a large number of items and many will not be relevant.
Best to try and bring the word/s closer together and/or change the search field.
To bring the words closer together use N/#
"renewable energy" N/5 subsid*
Used alone, NEAR defaults to NEAR/4.
Important to know: When you shorten NEAR to N, you must provide a number. For example, internet N/3 media.
You can use -and - but, if you retrieve too many results, tye changing the search field from Anywhere to:
Anywhere except full text - NOFT
or
Abstract AB
Jun 7, 2023