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