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 con coi snippets" » "dung cong coi snippets", "dung von coi snippets", "dung co coi snippets", "dung con chi snippets", "dung con co snippets", "dung con chim snippets"
"locating bug code snippets" » "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 tinh java snippets") or ("dung con coi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tinh java snippets") OR ("dung con coi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tinh java snippets ) or ( dung con coi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tinh java snippets") or ("dung con coi snippets"))) or ("locating bug code snippets"))*.