Perhaps you should try some spelling variations:
"dung veeeean code snippets" » "dung vaeeeean code snippets", "dung vieeeean code snippets", "dung veeeeean code snippets", "dung veeeean core snippets", "dung veeeean 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung veeeean code snippets\") OR (\"dung v code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung veeeean code snippets ) OR ( dung v code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung veeeean code snippets") OR ("dung v code snippets"))) OR ("locating bug code snippets"))*.