Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung so rap slippers" » "dung co rap slippers", "dung mo rap slippers", "dung cho rap slippers", "dung so cap slippers", "dung so rap slippery", "dung so rap grippers"
"locating bug code snippets" » "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: (((("dung so rap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung so rap slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung so rap slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung so rap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.