Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung da trong slippers" » "dung dat trong slippers", "dung dao trong slippers", "dung dai trong slippers", "dung dan trong slippers", "dung dau trong slippers", "dung da trong slippery", "dung da trong 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 da trong 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 da trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung da trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung da trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.