I have been working in SharePoint Search center Results page. I have created a webpart to do a Search operation. Programmatically I have created the Link to the Search/Results.aspx with Parameters.
Here are some of the Parameters which can be used.
Multiple Scope in Results.aspx:
We can use the Multiple Scope as follows
Here people is one scope and Site is another scope.
Multiple MetaData in Results.aspx:
Like above we can call multiple metadata as follows.
Here Title and Age are the Metadata Properties mapped in the SSP.
Search and show only word documents in the Result