Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong ket phan slippers" » "dong kem phan slippers", "dung ket phan slippers", "dong viet phan slippers", "dong ke phan slippers", "dong kenh phan slippers", "dong ket phan slippery", "dong ket phan 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 ket phan 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 ket phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ket phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ket phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.