Perhaps you should try some spelling variations:
"coder precoder channel model programming" » "coder precoder channel modern programming" (Expand search), "coder precoder channel modular programming" (Expand search), "coder precoder channel goal programming" (Expand search), "coder record channel model programming" (Expand search), "coder codes channel model programming" (Expand search), "coder decoder channel model 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 channel model programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder channel model programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder channel model programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder channel model programming") OR ("api python python python programming"))*.