Perhaps you should try some spelling variations:
"dung vieaaaia code slippers" » "dung vaieaaaia code slippers", "dung viieaaaia code slippers", "dung veieaaaia code slippers"
"dung v code snippets" » "dung va code snippets", "dung vi code snippets", "dung ve code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

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