Perhaps you should try some spelling variations:
"coder teaching programming algorithms comparison" » "coder teaching programming algorithm comparison" (Expand search), "coder teaching processing algorithms comparison" (Expand search), "coder teaching program algorithms comparison" (Expand search), "code teaching programming algorithms comparison" (Expand search), "poder teaching programming algorithms comparison" (Expand search), "model teaching programming algorithms comparison" (Expand search)
"api citons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons python python programming" (Expand search), "api citons pythons python programming" (Expand search), "api citons piton python programming" (Expand search), "api citons pitons python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder teaching programming algorithms comparison") OR ("api citons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder teaching programming algorithms comparison\") OR (\"api citons python python programming\"))".
• Removing quotes may allow a broader search: (( coder teaching programming algorithms comparison ) OR ( api citons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder teaching programming algorithms comparison") OR ("api citons python python programming"))*.