Try using tin eye or yandex rather than google. searching from within the game may not work as the image url is massive.
1st try having the game open in one browser window and then open another browser window (not anouther tab) and go to
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. Then drag the image you want to search from the game browser into the tineye window. This worked for the first girl, but not the second. In gneral you can simplify this by can install a tineye browser extension but for some reason this didn't work.
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It didn't work for the second girl as the URL was too large, for this i justed saved the imaged to my computer and then dragged the file into tineye.
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If tineye doesn't work (they claim to be non porn) try yandex.
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its in Russian but basically click the image of the camera then drag you image file into the box. Its set to moderate search by default, to turn this off click the icon thats a shield with a tick in then select the top option.