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