Perhaps you should try some spelling variations:
"duong phong dat snippets" » "duong hong dat snippets", "duong trong dat snippets", "duong cong dat snippets", "duong phong mat snippets", "duong phong phat snippets", "duong dong dat snippets", "duong phong dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duong phong dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong phong dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong phong dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong phong dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.