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