Perhaps you should try some spelling variations:
"dcung cac code snippets" » "dung cac code snippets", "cung cac code snippets", "cung cap code snippets", "dcung cac cong snippets", "dcung cac co snippets", "dcung cac che snippets", "dcung cac code slippers"
"dung he code snippets" » "dung cho code snippets", "dung he code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung he code snippets") or ("dcung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung he code snippets") OR ("dcung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung he code snippets ) or ( dcung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung he code snippets") or ("dcung cac code snippets"))) or ("locating bug code snippets"))*.