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