Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luc dong su snippets" » "luu dong su snippets", "duc dong su snippets", "luc cong su snippets", "luc dang su snippets", "luc dong tu snippets", "luc dong luc snippets", "luc dong su slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("luc dong su snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( luc dong su snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luc dong su snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.