Perhaps you should try some spelling variations:
"dung trinh java snippets" » "dung tinh java snippets", "dong trinh java snippets", "cong trinh java snippets"
"dung ung de snippets" » "dung trung de snippets", "dung quang de snippets", "dung chung de snippets", "dung dung de snippets", "dung dung deu 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 ung de snippets") or ("dung trinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ung de snippets") OR ("dung trinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ung de snippets ) or ( dung trinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ung de snippets") or ("dung trinh java snippets"))) or ("locating bug code snippets"))*.