Perhaps you should try some spelling variations:
"dung demo code snippets" » "dung de code snippets", "dung mo code snippets", "dung do code snippets", "dung demo code slippers"
"dong vat code snippets" » "dong va code snippets", "dong von code snippets", "dong ha code snippets", "dong rate code snippets", "dong vat co snippets", "dong vat de snippets", "dong vat code slippers"
"locating bug code 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 demo code snippets\") OR (\"dong vat code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung demo code snippets ) OR ( dong vat code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung demo code snippets") OR ("dong vat code snippets"))) OR ("locating bug code snippets"))*.