Perhaps you should try some spelling variations:
"dong nhan anh snippets" » "dung nhan anh snippets", "cong nhan anh snippets", "dong chan anh snippets", "dong nhat anh snippets", "dong phan anh snippets", "dong nhan nhanh snippets", "dong nhan anh 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 nhan anh 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 nhan anh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nhan anh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nhan anh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.