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