Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuan cho ho snippets" » "khuan co ho snippets", "khuan khoa ho snippets", "khuan thao ho snippets", "khuan cho hoc snippets", "khuan cho hoa snippets", "khuan pho ho 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 cho ho 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 cho ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuan cho ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuan cho ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.