Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan che dot snippets" » "quan he dot snippets", "han che dot snippets", "quan ha dot snippets", "quan che do snippets", "quan che duoc snippets", "quan che hoat 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 che dot 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 che dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan che dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan che dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.