Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc phan man slippers" » "dung phan man slippers", "duc thang man slippers", "duc phung man slippers", "duc phan van slippers", "duc phan lan slippers", "duc phan may slippers", "duc phan man slippery", "duc phan man grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc phan man slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("duc phan man slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.