Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuan co dk snippets" » "khuan cho dk snippets", "chuan co dk snippets", "khuan noi dk snippets", "khuan so dk snippets", "khuan co do snippets", "khuan co da 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 co dk 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 co dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuan co dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuan co dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.