Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"luc toi lua snippets" » "luc tai lua snippets", "luc thi lua snippets", "luc moi lua snippets", "luc toi la snippets", "luc hoi luan snippets", "luc thi luan 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: (((("python using java snippets") OR ("luc toi lua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luc toi lua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luc toi lua snippets"))) or ("locating bug core snippets"))*.