Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"juan liu liu slippers" » "juan luis liu slippers", "quan li liu slippers", "jin liu liu slippers", "juan lin liu slippers", "juan lieu luu slippers", "juan liu liu slippery", "juan liu liu 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: (((("juan liu liu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("juan liu liu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( juan liu liu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("juan liu liu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.