Perhaps you should try some spelling variations:
"rang dung phan slippers" » "dang dung phan slippers", "rang dong phan slippers", "quang dung phan slippers", "rang dung nhan slippers", "rang dung luan slippers", "rang dung ha slippers", "rang dung phan slippery", "rang dung phan 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: (((("rang dung phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rang dung phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rang dung phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rang dung phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.