Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cung tan ban snippets" » "cung than ban snippets", "cong tan ban snippets", "cung ta ban snippets", "cung toan ban snippets", "cung tang ban snippets", "cung van ban snippets", "cung tan ban 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 ("cung tan ban snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cung tan ban snippets"))) OR ("locating bug code snippets")).
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