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