Perhaps you should try some spelling variations:
"dang khoi dat slippers" » "dung khoa dat slippers", "hang khoa dat slippers", "dang hoi dat slippers", "dang khoi dau slippers", "dang khoi nhat slippers", "dang khoi dat slippery", "dang khoi dat 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: (((("dang khoi dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang khoi dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang khoi dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang khoi dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.