Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung den lang slippers" » "dung dien lang slippers", "dung de lang slippers", "dung dan lang slippers", "dung den nang slippers", "dung den bang slippers", "dung ten lang slippers", "dung den lang slippery", "dung den lang 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 den lang 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 den lang slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung den lang slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung den lang slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.