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