Perhaps you should try some spelling variations:
"and computational code computer program" » "and computational model computer program" (Expand search), "and computational cost computer program" (Expand search), "and computational models computer program" (Expand search), "_ computational code computer program" (Expand search), "and computational node computer program" (Expand search), "and computational one computer program" (Expand search)
"using computation the computing program" » "using computational the computing program" (Expand search), "using imputation the computing program" (Expand search), "using compilation the computing program" (Expand search), "using computation the consulting program" (Expand search), "using computation the computador program" (Expand search), "using computation the computer programs" (Expand search), "using computation to computing program" (Expand search), "using computation theory computing program" (Expand search), "using computation with computing program" (Expand search), "using computation the commuting program" (Expand search), "using computation the competing program" (Expand search), "using computation the composting program" (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: (("and computational code computer program") OR ("using computation the computing program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational code computer program\") OR (\"using computation the computing program\"))".
• Removing quotes may allow a broader search: (( and computational code computer program ) OR ( using computation the computing program )).
• Adding a wildcard symbol may retrieve word variants: (("and computational code computer program") OR ("using computation the computing program"))*.