Perhaps you should try some spelling variations:
"model computational robot coverage of" » "models computational robot coverage of" (Expand search), "modelo computacional robot coverage of" (Expand search), "code computational robot coverage of" (Expand search), "model computational roots coverage of" (Expand search), "model computacional robo coverage of" (Expand search), "model computational cost coverage of" (Expand search), "model computational root coverage of" (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: "((\"model computational robot coverage of\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( model computational robot coverage of ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("model computational robot coverage of") OR ("using coding python python programming"))*.