Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung thu van slippers" » "ung thu van slippers", "dung phu van slippers", "dung thi van slippers", "dung thuc van slippers", "dung thuy van slippers", "dung tu van slippers", "dung thu van slippery", "dung thu van 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 thu van 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 thu van slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thu van slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thu van slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.