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