Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong dan gian slippers" » "dong danh gian slippers", "duong dan gian slippers", "dong san gian slippers", "dong dan giao slippers", "dong dan gia slippers", "dong dan gian slippery", "dong dan gian 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 dan gian 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 dan gian slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dan gian slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dan gian slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.