Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tran toan trac slippers" » "tranh toan trac slippers", "tran tuan trac slippers", "tran tan trac slippers", "tran toan tran slippers", "tran thoan tran slippers", "tran toan tap slippers", "tran toan trac slippery", "tran toan trac grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("tran toan trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tran toan trac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tran toan trac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tran toan trac slippers"))) or ("locating bug code snippets"))*.