Perhaps you should try some spelling variations:
"dung nhanh code slippers" » "dung nhan code slippers", "vung nhanh code slippers", "dung thanh code slippers", "dung nhanh cong slippers"
"phan h code snippets" » "phan _ code snippets", "phan thi code snippets", "phan huy code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan h code snippets") or ("dung nhanh code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan h code snippets") OR ("dung nhanh code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan h code snippets ) or ( dung nhanh code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan h code snippets") or ("dung nhanh code slippers"))) or ("locating bug code snippets"))*.