Perhaps you should try some spelling variations:
"coder coder continuous optimization problems" » "coder under continuous optimization problems" (Expand search), "coder order continuous optimization problems" (Expand search), "coder elder continuous optimization problems" (Expand search), "coder decoder continuous optimization problems" (Expand search), "code code continuous optimization problems" (Expand search), "decoder codec continuous optimization 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)

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 coder continuous optimization problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder continuous optimization problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder continuous optimization problems") OR ("api python python python programming"))*.