Perhaps you should try some spelling variations:
"dung ngu java snippets" » "dung nga java snippets", "dung ngo java snippets", "dung nguoi java snippets", "dung ngu va snippets", "dung ngu java slippers"
"dong san code snippets" » "cong san code snippets", "dong bang code snippets", "dong von code snippets", "dong san co snippets", "dong san cong snippets", "dong san 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 ngu java snippets\") OR (\"dong san code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung ngu java snippets ) OR ( dong san code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung ngu java snippets") OR ("dong san code snippets"))) OR ("locating bug code snippets"))*.