Perhaps you should try some spelling variations:
"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)
"coder coding fdtd linear programming" » "modern coding fdtd linear programming" (Expand search), "color coding fdtd linear programming" (Expand search), "odor coding fdtd linear programming" (Expand search), "coder coding fkd linear programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding fdtd linear programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding fdtd linear programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding fdtd linear programming") OR ("api python python python programming"))*.