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