Perhaps you should try some spelling variations:
"coder coder item allocation problem" » "coder coder item location problem" (Expand search), "coder coder team allocation problem" (Expand search), "coder coder term allocation problem" (Expand search), "coder coder system allocation problem" (Expand search), "coder decoder item allocation problem" (Expand search), "code code item allocation problem" (Expand search), "decoder codec item allocation problem" (Expand search), "coder under item allocation 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 item allocation problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder item allocation problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder item allocation problem") OR ("api python python python programming"))*.