Perhaps you should try some spelling variations:
"coder coder computation open problems" » "coder modern computation open problems" (Expand search), "coder core computation open problems" (Expand search), "coder color computation open problems" (Expand search), "coder coder computation on problems" (Expand search), "coder coder computacional open problems" (Expand search), "coder coder computation model problems" (Expand search), "coder decoder computation open problems" (Expand search), "code code computation open problems" (Expand search), "decoder codec computation open 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder computation open problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder computation open problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder computation open problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder computation open problems") OR ("api python python python programming"))*.