q parameter. They work when parseOperators is enabled (the default).
Site operators
Restrict or exclude results from specific domains:Term operators
Require or exclude specific terms:Content operators
Filter by where terms appear:Date operators
Filter results by publication date:
Dates use
YYYY-MM-DD format.
Language operator
Filter results by language:
Uses ISO 639-1 two-letter language codes.
Combining operators
Operators can be combined in a single query:Disabling operator parsing
If your query contains text that looks like an operator but shouldn’t be treated as one, setparseOperators=false:
Next steps
Filtering
Parameter-based filtering for domains, dates, and content.
Query parameters
Full parameter reference.

