Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc so phan slippers" » "duc co phan slippers", "duc hoc phan slippers", "duc hoa phan slippers", "duc mo phan slippers", "duc sy phan slippers", "duc so phan slippery", "duc 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duc so phan 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 so phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc so phan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc so phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.