Perhaps you should try some spelling variations:
"coder _ developers esercise program" » "coder _ developers expertise program" (Expand search), "coder _ development exercise program" (Expand search), "coder _ developers exercise program" (Expand search), "coder _ developers exercise programs" (Expand search), "coder _ developers exercises program" (Expand search)
"manim python python python programming" » "manim pythons python python programming" (Expand search), "manim piton python python programming" (Expand search), "manim pitons python python programming" (Expand search), "monty python python python programming" (Expand search), "api python python python 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 _ developers esercise program\") OR (\"manim python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder _ developers esercise program ) OR ( manim python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder _ developers esercise program") OR ("manim python python python programming"))*.