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