Perhaps you should try some spelling variations:
"dung phan thuc slippers" » "dung nhan thuc slippers", "dung luan thuc slippers", "dung ha thuc slippers", "dung phap thuc slippers", "dung pham thuc slippers", "dung phan thuc slippery", "dung phan thuc 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 phan thuc 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 phan thuc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phan thuc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phan thuc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.