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 van wu snippets" » "duc va wu snippets", "duc tan wu snippets", "duc manh wu snippets", "duc van du snippets", "duc van lu snippets", "duc can wu snippets", "duc van wu 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: (((("python using java snippets") OR ("duc van wu snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc van wu snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc van wu snippets"))) or ("locating bugs code snippets"))*.