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