Perhaps you should try some spelling variations:
"dung luan code snippets" » "dung luan cong snippets", "dung luan che snippets", "dung luan de snippets", "dung luan code slippers"
"cung cua code snippets" » "chung cua code snippets", "dung cua code snippets", "cong cua code snippets", "cung cua cong snippets", "cung cua co snippets", "cung cfd code snippets", "cung cua 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: "((((\"cung cua code snippets\") OR (\"dung luan code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( cung cua code snippets ) OR ( dung luan code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cung cua code snippets") OR ("dung luan code snippets"))) OR ("locating bug code snippets"))*.