None of your sentences are natural. I would say one of the following. I will look it up (some more) on google.
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User_garyI will look up about it on Google.I will look about it up on Google.I will dig more about it on Google.I will dig into Google more about it.I will look into Google more about it.Which are of them correct?I'll look it up on Google is enough. If you have already done so, and you want to say that you need more information, just add 'again'. I