Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"thi so do snippets" » "thi so code snippets", "thi sao do snippets", "thi son do snippets", "thi mo do snippets", "thi so du snippets", "thi so dk 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: (((("python missing data snippets") OR ("thi so do snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python missing data snippets ) or ( thi so do snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python missing data snippets") or ("thi so do snippets"))) or ("locating bug core snippets"))*.