Gordon's @gordonlu310 tutorial shows how to do a Web search and get a response in text that can be read by the TextToSpeech control
This may the advice you want to try to make an app that will do a search and then read the results out loud. I tried it an found it provides the basics. Also that it can be more useful it the Google Programmable Search Engine is modified in the api console he discusses. See Customizing Search Results | Programmable Search Engine | Google for Developers