Perhaps you should try some spelling variations:
"coder coding using optical complexity" » "coder coding using spatial complexity" (Expand search), "coder coding using medical complexity" (Expand search), "coder coding using lexical complexity" (Expand search), "modern coding using optical complexity" (Expand search), "color coding using optical complexity" (Expand search), "odor coding using optical complexity" (Expand search), "coder loading using optical complexity" (Expand search), "coder modeling using optical complexity" (Expand search), "coder drying using optical 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 using optical complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using optical complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using optical complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using optical complexity") OR ("api python python python programming"))*.