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