Perhaps you should try some spelling variations:
"dong cac code snippets" » "dong cac cong snippets", "dong cac co snippets", "dong cac che snippets", "duong cac code snippets", "dong bac code snippets", "dung cac code snippets", "dong cac code slippers"
"dung so code snippets" » "dung co code snippets", "dung mo code snippets", "dung cho code snippets", "dung so 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: "((((\"dung so code snippets\") OR (\"dong cac code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung so code snippets ) OR ( dong cac code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung so code snippets") OR ("dong cac code snippets"))) OR ("locating bug code snippets"))*.