Perhaps you should try some spelling variations:
"cong danh thin slippers" » "cuong danh thin slippers", "cong dan thin slippers", "cong thanh thin slippers", "cong canh thin slippers", "cong danh thanh slippers", "cong danh thang slippers", "cong danh thin slippery", "cong danh thin 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: (((("cong danh thin slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong danh thin slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong danh thin slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong danh thin slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.