Perhaps you should try some spelling variations:
"dung tran danh slippers" » "dung tren danh slippers", "hung tran danh slippers", "dang tran danh slippers", "dung tran dinh slippers", "dung tran manh slippers", "dung tran dang slippers", "dung tran danh slippery", "dung tran danh 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 tran danh 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 tran danh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tran danh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tran danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.