Perhaps you should try some spelling variations:
"coder coding teaching activity complexity" » "coder coding teaching activity complex" (Expand search), "coder coding teaching creativity complexity" (Expand search), "coder coding teaching city complexity" (Expand search), "coder cloning teaching activity complexity" (Expand search), "coder doing teaching activity complexity" (Expand search), "coder modeling teaching activity complexity" (Expand search), "modern coding teaching activity complexity" (Expand search), "color coding teaching activity complexity" (Expand search), "odor coding teaching activity complexity" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python 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 coding teaching activity complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding teaching activity complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding teaching activity complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding teaching activity complexity") OR ("api python python python programming"))*.