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 cac code slippers"
"dung a robot snippets" » "dung _ robot snippets", "dung tao robot snippets", "dung tay robot snippets", "dung va robot snippets", "dung ha robot snippets", "dung ai robot snippets", "dung a robot 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.

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