Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan da cao snippets" » "dan dat cao snippets", "dan ca cao snippets", "dan va cao snippets", "dan dam cao snippets", "dan dao cao 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: (((("dan da cao snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dan da cao snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan da cao snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.