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