Perhaps you should try some spelling variations:
"coder precoder scheme state problem" » "coder precoding scheme state problem" (Expand search), "coder decoder scheme state problem" (Expand search), "coder precoder scheme start problem" (Expand search), "coder precoder scheme stacks problem" (Expand search), "coder precoder scheme the problem" (Expand search), "coder precoder crime state problem" (Expand search), "coder precoder sume state 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), "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 scheme state problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder scheme state problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder scheme state problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder scheme state problem") OR ("api python python python programming"))*.