Perhaps you should try some spelling variations:
"coder computational _ array problem" » "code computational _ array problem" (Expand search), "poder computacional _ array problem" (Expand search), "model computational _ array problem" (Expand search), "coder computational _ leray problem" (Expand search), "coder computational _ parity 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)

You may be able to get more results by adjusting your search query.

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