Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc vi lua snippets" » "duc vui lua snippets", "duc va lua snippets", "doc vi lua snippets", "duc vi luu snippets", "duc vi lua slippers"

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: (((("duc vi lua snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( duc vi lua snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc vi lua snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.