Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam lay cac snippets" » "nam lai cac snippets", "nam lam cac snippets", "nam ly cac snippets", "nam tay cac snippets", "nam hay cac 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: (((("nam lay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam lay cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam lay cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam lay cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.