Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"toc cao lua snippets" » "hoc cao lua snippets", "toc dao lua snippets", "toc co lua snippets", "toc cay lua snippets", "toc bao lua snippets", "toc ca lua 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: (((("toc cao lua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( toc cao lua snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("toc cao lua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.