Perhaps you should try some spelling variations:
"python missing data slippers" » "python using data slippers", "python missing data slippery", "python missing data grippers"
"ngu c code snippets" » "ngu cfd code snippets", "ngu ca code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 slippers") or ("ngu c code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python missing data slippers") OR ("ngu c code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python missing data slippers ) or ( ngu c code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python missing data slippers") or ("ngu c code snippets"))) or ("locating bug code snippets"))*.