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