Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"cuong cac danh snippets" » "luong cac danh snippets", "cong cac danh snippets", "trong cac danh snippets", "cuong cac doanh snippets", "cuong cac dan snippets", "cuong cac dang snippets", "cuong cac danh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 java java snippets\") OR (\"cuong cac danh snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( cuong cac danh snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("cuong cac danh snippets"))) OR ("locating bug code snippets"))*.