Perhaps you should try some spelling variations:
"dac tan robot slippers" » "dac tao robot slippers", "dac tay robot slippers", "dac a robot slippers", "duc tan robot slippers", "dac san robot slippers", "dai tan robot slippers", "dac tan robot slippery", "dac 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: (((("dac 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: (((("dac tan robot slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac tan robot slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac tan robot slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.