Perhaps you should try some spelling variations:
"coder coder error propagation problems" » "coder coder error perturbation problems" (Expand search), "coder coder error location problems" (Expand search), "coder coder error translation problems" (Expand search), "coder coder crack propagation problems" (Expand search), "coder decoder error propagation problems" (Expand search), "code code error propagation problems" (Expand search), "decoder codec error propagation problems" (Expand search), "coder code error propagation problems" (Expand search), "coder codes error propagation problems" (Expand search), "coder model error propagation problems" (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 coder error propagation problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder error propagation problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder error propagation problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder error propagation problems") OR ("api python python python programming"))*.