Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"dung java java snippets" » "dung va java snippets"
"using two phan snippets" » "during two phan snippets", "using uwb phan snippets", "using trot phan snippets", "using co phan snippets", "using cho phan snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("using two phan snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("using two phan snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( using two phan snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("using two phan snippets"))) or ("locating bugs code slippers"))*.