Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cao ngoc slippers" » "duong cao ngoc slippers", "dung cho ngoc slippers", "dung co ngoc slippers", "dung van ngoc slippers", "dung ma ngoc slippers", "dung mai ngoc slippers", "dung cao ngoc slippery", "dung cao ngoc 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 cao ngoc 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 cao ngoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cao ngoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cao ngoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.