Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"mat ca hon snippets" » "mat cua hon snippets", "mat can hon snippets", "mat ma hon snippets", "mat cao hon snippets", "mat cay hong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("mat ca hon snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat ca hon snippets") OR ("python missing data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat ca hon snippets ) or ( python missing data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat ca hon snippets") or ("python missing data snippets"))) or ("locating bug code snippets"))*.