Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi day linh snippets" » "doi duy linh snippets", "doi tam linh snippets", "doi van linh snippets", "duoi day linh snippets", "doi dau linh snippets", "loi day linh snippets", "doi day linh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("doi day linh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi day linh snippets"))) OR ("locating bug code snippets")).
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