Perhaps you should try some spelling variations:
"using computational from complex program" » "using computational foot complex program" (Expand search), "using computation from complex program" (Expand search), "using computational art complex program" (Expand search), "using computational from simplex program" (Expand search), "using computational from complex programmes" (Expand search), "using computational from complex prograded" (Expand search)
"and computational in coding program" » "_ computational in coding program" (Expand search), "and computational and coding program" (Expand search), "and computational _ coding program" (Expand search), "and computational 3d coding program" (Expand search), "and computational in cloning program" (Expand search), "and computational in loading program" (Expand search), "and computational in cooling programs" (Expand search), "and computational on coding program" (Expand search), "and computational in decoding program" (Expand search), "and computational non coding program" (Expand search)

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