Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dat quoc slippers" » "dung va quoc slippers", "dung tai quoc slippers", "dung dat nuoc slippers", "dung dat duoc slippers", "dung dan quoc slippers", "dung dat quoc slippery", "dung dat quoc 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 dat quoc 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 dat quoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dat quoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dat quoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.