Perhaps you should try some spelling variations:
"khuan doi trinh slippers" » "khuan noi trinh slippers", "quan doi trinh slippers", "khoa doi trinh slippers", "khuan doc trinh slippers", "khuan doi tinh slippers", "khuan dong trinh slippers", "khuan doi trinh slippery", "khuan doi trinh 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: (((("khuan doi trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuan doi trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuan doi trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuan doi trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.