Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han lon len slippers" » "han tong len slippers", "hai long len slippers", "phan lan len slippers", "han lon lien slippers", "han lon len slippery", "han lon len 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: (((("han lon len slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han lon len slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han lon len slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han lon len slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.