Perhaps you should try some spelling variations:
"dung danh tran slippers" » "dung doanh tran slippers", "dung dan tran slippers", "dung dang tran slippers", "dung canh tranh slippers", "dung hanh trang slippers", "dung danh tran slippery", "dung danh tran grippers"
"dung java java snippets" » "dung va java snippets"
"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 danh tran 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 danh tran slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung danh tran slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung danh tran slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.