Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuan doi da snippets" » "khuan noi da snippets", "quan doi da snippets", "khoa doi da snippets", "khuan doi dau snippets", "khuan doi dam snippets", "khuan doi dan 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: (((("khuan doi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuan doi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuan doi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuan doi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.