Perhaps you should try some spelling variations:
"coder precoder feedback controller programming" » "coder precoder feedback control programming" (Expand search), "coder precoder feedback microcontrollers programming" (Expand search), "coder precoder feedback constrained programming" (Expand search), "coder promover feedback controller programming" (Expand search), "coder prover feedback controller programming" (Expand search), "coder promover feedbacks controller programming" (Expand search), "coder decoder feedback controller programming" (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), "manim 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 precoder feedback controller programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder feedback controller programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder feedback controller programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder feedback controller programming") OR ("api python python python programming"))*.