Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets", "dang java java slippers"
"dung tran tu snippets" » "dung tren tu snippets", "hung tran tu snippets", "dang tran tu snippets", "dung tran tuan snippets", "dung tran thuy snippets", "dung tran thi snippets", "dung tran tu 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 tran tu snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dang java java snippets ) OR ( dung tran tu snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") OR ("dung tran tu snippets"))) OR ("locating bug code snippets"))*.