Perhaps you should try some spelling variations:
"using _ code snippets" » "using _ code slippers"
"hoang vuong java snippets" » "hoang vuong java slippers", "hoang huong java snippets", "hoang duong java snippets", "hoang luong java snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("using _ code snippets") OR ("hoang vuong java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using _ code snippets ) or ( hoang vuong java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using _ code snippets") or ("hoang vuong java snippets"))) or ("locating bug code snippets"))*.