Perhaps you should try some spelling variations:
"dung tinh java snippets" » "dang tinh java snippets", "dung ninh java snippets", "dung tin java snippets", "dung trinh java snippets", "dung think java snippets", "dung tinh va snippets", "dung tinh java slippers"
"dung co hat snippets" » "dung cho hat snippets", "dung cong hat snippets", "dung cua hat snippets", "dung co hoat snippets", "dung cot hat snippets", "dung co hai snippets", "dung co hat 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: (((("dung co hat snippets") or ("dung tinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co hat snippets") OR ("dung tinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co hat snippets ) or ( dung tinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co hat snippets") or ("dung tinh java snippets"))) or ("locating bug code snippets"))*.