Perhaps you should try some spelling variations:
"using computation in fdtd array" » "using computational in fdtd array" (Expand search), "using imputation in fdtd array" (Expand search), "using compilation in fdtd array" (Expand search), "using computation and fdtd array" (Expand search), "using computation of fdtd array" (Expand search), "using computation in fit array" (Expand search), "using computation ln fdtd array" (Expand search), "using computation in fdd array" (Expand search), "using computation via fdtd array" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("using computation in fdtd array") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation in fdtd array\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( using computation in fdtd array ) OR ( using coding python python programming ))*.