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