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