Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data va den snippets" » "dat va den snippets", "data a den snippets", "data v0 den snippets", "data va dien snippets", "data van den snippets", "data va de 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: (((("data va 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: (((("data va den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data va den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data va den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.