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 luan dat snippets" » "dung luat dat snippets", "dung luan dac snippets", "dung luan day snippets", "dung luan dat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung luan dat 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 luan dat snippets") OR ("dung tinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung luan dat snippets ) or ( dung tinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung luan dat snippets") or ("dung tinh java snippets"))) or ("locating bug code snippets"))*.