Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nan cua lua snippets" » "nhan cua lua snippets", "ban cua lua snippets", "nam cua lua snippets", "nan cua luat snippets", "nan ca lua snippets", "nan cua rua 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: (((("nan cua lua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( nan cua lua snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("nan cua lua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.