Perhaps you should try some spelling variations:
"cong dung cong snippets" » "cuong dung cong snippets", "cong dong cong snippets", "cong luong cong snippets", "cong dung trong snippets"
"pha cac code snippets" » "pha cac cong snippets", "pha cac co snippets", "pha cac che snippets", "phan cac code snippets", "phap cac code snippets", "pha cau 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: (((("pha cac code snippets") or ("cong dung cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha cac code snippets") OR ("cong dung cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha cac code snippets ) or ( cong dung cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cac code snippets") or ("cong dung cong snippets"))) or ("locating bug code snippets"))*.