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