Perhaps you should try some spelling variations:
"dung trung phi slippers" » "dung trong phi slippers", "quang trung phi slippers", "truong trung phi slippers", "dung trung phan slippers", "dung truong pho slippers", "dung trung phat slippers", "dung trung phi slippery", "dung trung phi 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 trung phi 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 trung phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung trung phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trung phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.