Perhaps you should try some spelling variations:
"dong cua code snippets" » "dong cua cong snippets", "dong cua co snippets", "dong cfd code snippets", "dung cua code snippets", "cong cua code snippets", "huong cua code snippets", "dong cua code slippers"
"dang su code snippets" » "dan su code snippets", "dung su code snippets", "nang su code snippets", "dang su 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: "((((\"dang su code snippets\") OR (\"dong cua code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dang su code snippets ) OR ( dong cua code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dang su code snippets") OR ("dong cua code snippets"))) OR ("locating bug code snippets"))*.