Perhaps you should try some spelling variations:
"coder function sensor allocation problem" » "coder function sensor location problem" (Expand search), "coder function sensors allocation problem" (Expand search), "coder function sector allocation problem" (Expand search), "coder functional sensor allocation problem" (Expand search), "coder function sense allocation problem" (Expand search), "coder functional sensory allocation problem" (Expand search), "modern function sensor allocation problem" (Expand search), "power function sensor allocation problem" (Expand search), "over function sensor allocation problem" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 function sensor allocation problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder function sensor allocation problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder function sensor allocation problem") OR ("using coding python python programming"))*.