Perhaps you should try some spelling variations:
"using dat sach slippers" » "using data sach slippers", "using sat sach slippers", "using a sach slippers", "using mat sach slippers", "using dat khach slippers", "using nam sach slippers", "using dat sach slippery", "using dat sach 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using dat sach slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using dat sach slippers ) or ( dung java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using dat sach slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.