Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc duc tran slippers" » "doc duc tan slippers", "doc duc toan slippers", "doc duc tren slippers", "do duc tran slippers", "hoc duc tran slippers", "duoc duoc tran slippers", "doc duc tran slippery", "doc duc tran 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: (((("python using java snippets") OR ("doc duc tran slippers"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doc duc tran slippers"))) or ("locating bug code snippets"))*.