Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong ho trong slippers" » "dong hoc trong slippers", "dong hoa trong slippers", "dong hoi trong slippers", "dong cho trong slippers", "dong ho trong slippery", "dong ho 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: (((("dong ho 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: (((("dong ho trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ho trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ho trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.