Perhaps you should try some spelling variations:
"dung v code slippers" » "dung va code slippers", "dung vi code slippers", "dung ve code slippers"
"dung veaiaao code snippets" » "dung vaeaiaao code snippets", "dung vieaiaao code snippets", "dung veeaiaao 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 v code slippers") or ("dung veaiaao code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung v code slippers") OR ("dung veaiaao code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung v code slippers ) or ( dung veaiaao code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung v code slippers") or ("dung veaiaao code snippets"))) or ("locating bug code snippets"))*.