Perhaps you should try some spelling variations:
"dung dung dat snippets" » "duong dung dat snippets", "ung dung dat snippets", "dung ung dat snippets", "dung dung va snippets", "dung dung tai snippets", "dung dung dat slippers"
"dung he code snippets" » "dung cho code snippets", "dung he code slippers", "dung he core snippets"
"locating bug code snippets" » "locating bug code slippers", "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 dung dat snippets") or ("dung he code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung dat snippets") OR ("dung he code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dung dat snippets ) or ( dung he code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung dat snippets") or ("dung he code snippets"))) or ("locating bug code snippets"))*.