Perhaps you should try some spelling variations:
"dung binh trong slippers" » "dung dinh trong slippers", "dung sinh trong slippers", "dung chinh trong slippers", "duong binh trong slippers", "dung ninh trong slippers", "dung vinh trong slippers", "dung binh trong slippery", "dung binh trong grippers"
"dung java java snippets" » "dung va java 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 binh trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung binh trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung binh trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung binh trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.