Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"ca va dot snippets" » "ca va code snippets", "ca va doc snippets", "ca va do snippets", "ca va doi snippets", "co va dot snippets", "cu va dot snippets", "c va dot snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca va dot snippets") OR ("python missing data snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( ca va dot snippets ) or ( python missing data snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ca va dot snippets") or ("python missing data snippets"))) or ("locating bug core snippets"))*.