Perhaps you should try some spelling variations:
"dung luan data snippets" » "dung luat dat snippets", "dung luan dac snippets", "dung luan danh snippets", "dung luan data slippers"
"dung cu code snippets" » "dung cua code snippets", "dung co code snippets", "dung cho code snippets", "dung cfd code snippets", "dung cu code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 cu code snippets\") OR (\"dung luan data snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung cu code snippets ) OR ( dung luan data snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung cu code snippets") OR ("dung luan data snippets"))) OR ("locating bug code snippets"))*.