Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tu than slippers" » "dung thu than slippers", "dung tru than slippers", "dung cu than slippers", "dung tu thanh slippers", "dung tu nhan slippers", "dung nu than slippers", "dung tu than slippery", "dung tu than 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 tu than 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 tu than slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tu than slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tu than slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.