Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc sa dan slippers" » "duc va dan slippers", "duc ha dan slippers", "duc sy dan slippers", "duc sac dan slippers", "duc ca dan slippers", "duc sa dan slippery", "duc sa dan 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: (((("duc sa 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: (((("duc sa dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc sa dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc sa dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.