Perhaps you should try some spelling variations:
"python using metal snippets" » "python using real snippets", "python nursing mental snippets", "python using medical snippets"
"co dan code snippets" » "co dan de snippets", "co ban code snippets", "ca dan code snippets", "cao dang code snippets"
"locating bug core snippets" » "locating bug 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: (((("co dan code snippets") or ("python using metal snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co dan code snippets") OR ("python using metal snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co dan code snippets ) or ( python using metal snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co dan code snippets") or ("python using metal snippets"))) or ("locating bug core snippets"))*.