Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi de duc slippers" » "doi deu duc slippers", "dai de duc slippers", "moi de duc slippers", "doi do duc slippers", "doi le duc slippers", "doi de muc slippers", "doi de duc slippery", "doi de duc 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi de duc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi de duc slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi de duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.