Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nan ca hon snippets" » "nan cua hon snippets", "dan ca hon snippets", "tan ca hon snippets", "nan cao hon snippets", "nan cay hong 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: (((("nan ca hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nan ca hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nan ca hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nan ca hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.