Perhaps you should try some spelling variations:
"coder coder _ elasticity problem" » "coder coder _ elasticity problems" (Expand search), "coder coder _ activity problem" (Expand search), "coder decoder _ elasticity problem" (Expand search), "code code _ elasticity problem" (Expand search), "decoder codec _ elasticity problem" (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 coder _ elasticity problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ elasticity problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ elasticity problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ elasticity problem") OR ("api python python python programming"))*.