Perhaps you should try some spelling variations:
"cong dan trong slippers" » "cong ban trong slippers", "cong dat trong slippers", "cong dao trong slippers", "cong san trong slippers", "cong tan trong slippers", "huong dan trong slippers", "cong dan trong slippery", "cong dan trong 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 dan trong 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 dan trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dan trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dan trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.