Perhaps you should try some spelling variations:
"and functionality in computer program" » "and functional in computer program" (Expand search), "and functionality and computer program" (Expand search), "and functionality of computer program" (Expand search), "and functionality _ computer program" (Expand search)
"using modeling python python programming" » "using modeling vpython python programming" (Expand search), "using modeling pitting python programming" (Expand search), "using model python python programming" (Expand search), "using modern python python programming" (Expand search), "using models python python programming" (Expand search), "using modeling pythons python programming" (Expand search), "using modeling piton python programming" (Expand search), "using modeling pitons 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: (("and functionality in computer program") OR ("using modeling python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and functionality in computer program\") OR (\"using modeling python python programming\"))".
• Removing quotes may allow a broader search: (( and functionality in computer program ) OR ( using modeling python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and functionality in computer program") OR ("using modeling python python programming"))*.