Perhaps you should try some spelling variations:
"dung dung code slippers" » "duong dung code slippers", "ung dung code slippers", "dung ung code slippers", "dung dung cong slippers", "dung dung co slippers", "dung dung de slippers"
"manh cua code snippets" » "doanh cua code snippets", "ban cua code snippets", "manh cua cong snippets", "manh cua co snippets", "manh cfd 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: (((("dung dung code slippers") or ("manh cua code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung code slippers") OR ("manh cua code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dung code slippers ) or ( manh cua code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung code slippers") or ("manh cua code snippets"))) or ("locating bug code snippets"))*.