Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"cong tuan trac slippers" » "cong tan trac slippers", "cong luan trac slippers", "cong thanh trac slippers", "cong toan trac slippers", "cong tan tran slippers", "cong tap trac slippers", "cong tuan trac slippery", "cong tuan 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 using java snippets") or ("cong tuan trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("cong tuan trac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( cong tuan trac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("cong tuan trac slippers"))) or ("locating bug code snippets"))*.