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