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