Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chen co toc snippets" » "chen co code snippets", "cheo co toc snippets", "chuan co toc snippets", "chen cao toc snippets", "chen co hoc snippets", "chen co doc snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chen co toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( chen co toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("chen co toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.