Perhaps you should try some spelling variations:
"coder propagation models precoding program" » "coder propagation model precoding program" (Expand search), "mode propagation models precoding program" (Expand search), "model propagation models precoding program" (Expand search), "modes propagation models precoding program" (Expand search), "coder propagation models breeding program" (Expand search), "coder propagation models reading program" (Expand search), "coder propagation models preparing program" (Expand search), "coder propagation models pricing program" (Expand search), "coder propagation models probing program" (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 propagation models precoding program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder propagation models precoding program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder propagation models precoding program ) OR ( api python python python programming ))*.