Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bugs code snippets" » "locating bug code snippets"
"co dat de snippets" » "coc dat de snippets", "co dan de snippets", "co dot de snippets", "co vat de snippets", "co hat de snippets", "co dat dien snippets"

Try widening your search to All Fields.

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

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