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