Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi doi va slippers" » "doi voi va slippers", "doi moi va slippers", "voi doi va slippers", "doi hoi va slippers", "doi noi va slippers", "doi dai va slippers", "doi doi va slippery", "doi doi va 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 doi va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi doi va slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi doi va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.