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