Perhaps you should try some spelling variations:
"coder propagation on coding problem" » "mode propagation on coding problem" (Expand search), "model propagation on coding problem" (Expand search), "modes propagation on coding problem" (Expand search), "coder propagation of coding problem" (Expand search), "coder propagation in coding problem" (Expand search), "coder propagation and coding problem" (Expand search), "coder propagation on coding problems" (Expand search), "coder propagation on coping problem" (Expand search), "coder propagation on loading problem" (Expand search), "coder propagation non coding problem" (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 on coding problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder propagation on coding problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder propagation on coding problem") OR ("api python python python programming"))*.