Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den don den snippets" » "den dong den snippets", "den do den snippets", "den son den snippets", "den don dien snippets", "den dan den snippets", "den don dep 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: (((("den don 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: (((("den don den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den don den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.