Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc choi chu snippets" » "luc cho chu snippets", "luc khoi chu snippets", "luc hoc chu snippets", "luc hoi chu snippets", "luc choi cho 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: (((("luc choi chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc choi chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc choi chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc choi chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.