Perhaps you should try some spelling variations:
"coder propagation model code program" » "mode propagation model code program" (Expand search), "model propagation model code program" (Expand search), "modes propagation model code program" (Expand search), "coder propagation of code program" (Expand search), "coder propagation model code programs" (Expand search), "coder propagation model cove program" (Expand search), "coder propagation model coppe 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder propagation model code program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder propagation model code program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder propagation model code program") OR ("api python python python programming"))*.