Perhaps you should try some spelling variations:
"dat thuoc trong snippets" » "dat thuc trong snippets", "dat hoc trong snippets", "dat thuat trong snippets", "dang thuoc trong snippets", "xuat thuoc trong snippets", "dat nuoc trong snippets", "dat thuoc trong 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: (((("dung java java snippets") or ("dat thuoc trong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dat thuoc trong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dat thuoc trong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dat thuoc trong snippets"))) or ("locating bug code snippets"))*.