Perhaps you should try some spelling variations:
"phi va chet snippets" » "phi va code snippets", "phi va chiet snippets", "phi va che snippets", "phi va chat snippets", "phai va chet snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using real snippets" » "python using metal snippets", "python using raw snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi va chet snippets") or ("python using real snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi va chet snippets") OR ("python using real snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi va chet snippets ) or ( python using real snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi va chet snippets") or ("python using real snippets"))) or ("locating bug core snippets"))*.