Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tri hung slippers" » "dung tai hung slippers", "dung tren hung slippers", "nhung tri hung slippers", "dung tri ung slippers", "dung thi hung slippers", "dung tri hung slippery", "dung tri hung 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 tri hung 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 tri hung slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tri hung slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri hung slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.