Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan cau toc snippets" » "quang cao toc snippets", "toan cau toc snippets", "quan ha toc snippets", "quan cac toc snippets", "quan cao toc snippets", "quan cau hoc 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: (((("quan cau toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan cau toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan cau toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan cau toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.