Perhaps you should try some spelling variations:
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"
"dung do duc slippers" » "dung doi duc slippers", "dung co duc slippers", "dung de duc slippers", "dung dao duc slippers", "dung do duy slippers", "dung do duc slippery", "dung do duc grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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

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