How can I remove the ads?

You can remove the ads by purchasing one of the In-App purchases. Open the settings menu via the gear icon in the upper right corner of the search results screen. 
Below the font size selection you will find two options to remove the ads.
The cheaper option just removes the ads forever.
The second option also removes the ads forever, but you also support the developers. As little thanks you will not only get great Karma, but also a nice illustration is shown instead of the purchase buttons.

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