Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"phan van code slippers" » "pham van code slippers", "thanh van code slippers", "luan van code slippers", "phan van de slippers", "phan van hoe slippers", "phan van cong 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: (((("phan van code slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( phan van code slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phan van code slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.