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