Perhaps you should try some spelling variations:
"dung cac co snippets" » "luong cac co snippets", "dung cho co snippets", "dung tai co snippets", "dung cac cong snippets"
"dong cac code snippets" » "duong cac code snippets", "dong bac code snippets", "cong cac code snippets", "dong cac cong snippets", "dong cac che snippets", "dong cac cot snippets", "dong cac congde snippets"
"locating bug code snippets" » "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 cac co snippets") or ("dong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac co snippets") OR ("dong cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cac co snippets ) or ( dong cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac co snippets") or ("dong cac code snippets"))) or ("locating bug code snippets"))*.