Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong cot chat snippets" » "dong co chat snippets", "tong cot chat snippets", "dong tot chat snippets", "dong cot hat snippets", "dong cong chat snippets", "dong hoat chat snippets"
"locating bug code snippets" » "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 (\"dong cot chat snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( dong cot chat snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("dong cot chat snippets"))) OR ("locating bug code snippets"))*.