Perhaps you should try some spelling variations:
"ca va model snippets" » "ca va code snippets", "ca a model snippets", "ca gvar model snippets", "ca cad model snippets", "co va model snippets", "cu va model snippets", "c va model snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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 model snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( ca va model snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ca va model snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.