Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung nen duc slippers" » "dung nhan duc slippers", "dung ngan duc slippers", "dung tren duc slippers", "dung ren duc slippers", "dung ninh duc slippers", "dung dien duc slippers", "dung nen duc slippery", "dung nen duc grippers"
"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 nen duc 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 nen duc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nen duc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nen duc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.