Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan tri 2016 slippers" » "lan chi 2016 slippers", "lan pre 2016 slippers", "lang tri 2016 slippers", "van tri 2016 slippers", "quan tri 2016 slippers", "lan tri 2016 slippery", "lan tri 2016 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: (((("lan tri 2016 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan tri 2016 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan tri 2016 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan tri 2016 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.