Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung mot duc slippers" » "dung mo duc slippers", "dung co duc slippers", "dung dat duc slippers", "dung mot cuoc slippers", "dung mot thuc slippers", "dung mot duc slippery", "dung mot duc 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 mot duc 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 mot duc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung mot duc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mot duc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.