Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam co trac slippers" » "nam co trach slippers", "nam hoi trac slippers", "nam bo trach slippers", "nam cao trac slippers", "nam bo trac slippers", "nam so trac slippers", "nam co trac slippery", "nam co trac grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nam co trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam co trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam co trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam co trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.