Perhaps you should try some spelling variations:
"dap tan robot slippers" » "dap tao robot slippers", "dap tay robot slippers", "dap a robot slippers", "dac tan robot slippers", "dai tan robot slippers", "tap toan robot slippers", "dap tan robot slippery", "dap tan robot 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"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dap tan robot slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap tan robot slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap tan robot slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap tan robot slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.