Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan chi 26 slippers" » "luan chi 2016 slippers", "quan chi 26 slippers", "lan chi 26 slippers", "luan chi 26 slippery", "luan chi 26 grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("luan chi 26 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan chi 26 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan chi 26 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan chi 26 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.