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