Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan dao den snippets" » "van dao den snippets", "dan dat den snippets", "dan da den snippets", "dan dao dan snippets", "dan dan den snippets", "dan day den snippets"
"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: (((("dan dao den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan dao den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan dao den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan dao den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.