Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan van den snippets" » "dang van den snippets", "doan van den snippets", "dao van den snippets", "dan van de snippets", "dan van der snippets", "dan ban 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 van 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 van den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan van den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan van den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.