Perhaps you should try some spelling variations:
"dung ung co snippets" » "dung trung co snippets", "dung quang co snippets", "dung chung co snippets", "dung dung co snippets", "dung dung cho snippets", "dung duong co snippets"
"ban 2 code snippets" » "ban _ code snippets", "ban 1 code snippets", "han 2 code snippets", "ban 2 core snippets"
"locating bug code snippets" » "locating bug core 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 ung co snippets") or ("ban 2 code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ung co snippets") OR ("ban 2 code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ung co snippets ) or ( ban 2 code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ung co snippets") or ("ban 2 code snippets"))) or ("locating bug code snippets"))*.