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