Perhaps you should try some spelling variations:
"coder coder batch optimization problem" » "coder coder batch optimization problems" (Expand search), "coder coder path optimization problem" (Expand search), "coder coder search optimization problem" (Expand search), "coder coder with optimization problem" (Expand search), "coder decoder batch optimization problem" (Expand search), "code code batch optimization problem" (Expand search), "decoder codec batch optimization problem" (Expand search), "coder under batch optimization 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 coder batch optimization problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder batch optimization problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder batch optimization problem ) OR ( api python python python programming ))*.