Perhaps you should try some spelling variations:
"dung benh vi slippers" » "duong benh vi slippers", "dung menh vi slippers", "trung benh vi slippers", "dung benh va slippers", "dung benh ve slippers", "dung benh li slippers", "dung benh vi slippery", "dung benh vi 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 benh vi 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 benh vi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung benh vi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung benh vi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.