Perhaps you should try some spelling variations:
"coder and coverage maximization problem" » "coder and coverage optimization problem" (Expand search), "coder and coverage mobilization problem" (Expand search), "coder and coverage mediatization problem" (Expand search), "coder and coverage minimization problem" (Expand search), "coder and coverage minimization problems" (Expand search), "coder and cover maximization problem" (Expand search), "code and coverage maximization problem" (Expand search), "codes and coverage maximization problem" (Expand search), "poder and coverage maximization 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 and coverage maximization problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and coverage maximization problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder and coverage maximization problem ) OR ( api python python python programming ))*.