Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi co van slippers" » "doi bo van slippers", "moi co van slippers", "hoi co van slippers", "doi cao van slippers", "doi vo van slippers", "doi so van slippers", "doi co van slippery", "doi co van 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: (((("doi co van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi co van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi co van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi co van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.