Perhaps you should try some spelling variations:
"phan cung dat snippets" » "phan cong dat snippets", "phan ung dat snippets", "phan xuong dat snippets", "phan dung dat snippets", "phan vung dat snippets", "phan cuong dao snippets", "phan cung dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("phan cung dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cung dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cung dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cung dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.