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