Perhaps you should try some spelling variations:
"dung cung bi slippers" » "dung chung bi slippers", "dung cong bi slippers", "dung ung bi slippers", "dung cung bai slippers", "dung rung bi slippers", "dung cung bi slippery", "dung cung bi 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 cung bi 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 cung bi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cung bi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cung bi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.