Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc si trac slippers" » "duc li trac slippers", "duc vi trac slippers", "duc sinh trac slippers", "duoc si trac slippers", "duc sy trac slippers", "duc so trac slippers", "duc si trac slippery", "duc si trac 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 si trac 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 si trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc si trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc si trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.