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