Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khan cac tru snippets" » "phan cac tru snippets", "khai cac tru snippets", "khan cap tru snippets", "khan ca tru snippets", "khan cac tro snippets", "khan cac thu snippets", "khan cac tru 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: (((("khan cac tru snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khan cac tru snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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