Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"vat va cao snippets" » "vat va code snippets", "dat va cao snippets", "vat va cac snippets", "vat va co snippets", "vat va dao snippets"

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

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