Perhaps you should try some spelling variations:
"coder decoder formal description program" » "coder decoder formal description from" (Expand search), "coder decoder formal description geography" (Expand search), "coder decoder larval description program" (Expand search), "coder poder formal description program" (Expand search), "coder dever formal description program" (Expand search), "encoder decoder formal description program" (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 decoder formal description program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder formal description program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder decoder formal description program ) OR ( api python python python programming ))*.