Perhaps you should try some spelling variations:
"coder precoder turbine linear programming" » "coder recovery turbines linear programming" (Expand search), "coder power turbine linear programming" (Expand search), "coder decoder turbine linear programming" (Expand search), "coder precoder turbine gear programming" (Expand search), "coder precoder turbine planetary 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 turbine linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder turbine linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder turbine linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder turbine linear programming") OR ("api python python python programming"))*.