Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghe cua hon snippets" » "nghiep cua hon snippets", "nghe va hon snippets", "nghe che hon snippets", "nghe cua hoi snippets", "nghe cua hoc snippets", "nghe ca hon 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: (((("nghe cua 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: (((("nghe cua hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghe cua hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe cua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.