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