Perhaps you should try some spelling variations:
"vlsi computational models using program" » "vlsi computational model using program" (Expand search), "vlsi computational modeling using program" (Expand search), "vlsi computational modelling using program" (Expand search), "vlsi combinational models using program" (Expand search), "i computational models using program" (Expand search), "iii computational models using program" (Expand search), "vlsi computational models housing program" (Expand search), "vlsi computational models nursing program" (Expand search), "vlsi computational models aging program" (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: "((\"vlsi computational models using program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( vlsi computational models using program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("vlsi computational models using program") OR ("using coding python python programming"))*.