Perhaps you should try some spelling variations:
"coder coder batch packing problem" » "coder coder batch planning problem" (Expand search), "coder coder batch packaging problem" (Expand search), "coder coder bunch packing problem" (Expand search), "coder coder starch packing problem" (Expand search), "coder decoder batch packing problem" (Expand search), "code code batch packing problem" (Expand search), "decoder codec batch packing problem" (Expand search), "coder under batch packing 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder batch packing problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder batch packing problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder batch packing problem") OR ("api python python python programming"))*.