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