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