Perhaps you should try some spelling variations:
"dung chuc danh snippets" » "dung thuoc danh snippets", "dung chung danh snippets", "dung cho danh snippets", "dung chuc nganh snippets", "dung thuc hanh snippets", "dung chuc nang snippets", "dung chuc danh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java 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 chuc danh snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung chuc danh snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung chuc danh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.