Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets", "dang java java slippers"
"dung dan dat snippets" » "dung dat dat snippets", "dung san dat snippets", "tung dan dat snippets", "dung dung dat snippets", "dung dong dat snippets", "dung dinh dat snippets", "dung dan dat 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: "((((\"dang java java snippets\") OR (\"dung dan dat snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dang java java snippets ) OR ( dung dan dat snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") OR ("dung dan dat snippets"))) OR ("locating bug code snippets"))*.