Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"thi so dan snippets" » "thi sao dan snippets", "thi son dan snippets", "thi mo dan snippets", "thi co dan snippets", "thi so dac 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: (((("python missing data snippets") or ("thi so dan snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python missing data snippets") OR ("thi so dan snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( python missing data snippets ) or ( thi so dan snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("python missing data snippets") or ("thi so dan snippets"))) or ("locating bug code slippers"))*.