Perhaps you should try some spelling variations:
"dong cong nhat snippets" » "duong cong nhat snippets", "dung cong nhat snippets", "dang cong nhat snippets", "dong cong nhan snippets", "dong cong ha snippets", "dong cong suat snippets", "dong cong nhat 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: (((("dong cong nhat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cong nhat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cong nhat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cong nhat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.