Perhaps you should try some spelling variations:
"dung veeeeean code snippets" » "dung vaeeeeean code snippets", "dung vieeeeean code snippets", "dung veeeeeean code snippets", "dung veeeeean core snippets", "dung veeeeean code slippers"
"dung v code snippets" » "dung va code snippets", "dung vi code snippets", "dung ve code snippets", "dung v core snippets", "dung v code slippers"
"locating bug code snippets" » "locating bug core 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.

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