Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung quan 42 slippers" » "dung quang 42 slippers", "dung luan 42 slippers", "luong quan 42 slippers", "dung quan 12 slippers", "dung quan 42 slippery", "dung quan 42 grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung quan 42 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 quan 42 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung quan 42 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.