Perhaps you should try some spelling variations:
"based computational xcode java programming" » "and computational xcode java programming" (Expand search), "by computational xcode java programming" (Expand search), "based computational code java programming" (Expand search), "based computational codes java programming" (Expand search), "based computational mode java programming" (Expand search), "based computational xcode and programming" (Expand search), "based computational xcode based programming" (Expand search), "based computational xcode goal programming" (Expand search)
"using modis vpython python programming" » "using modis python python programming" (Expand search), "using modis pythons python programming" (Expand search), "using modis piton python programming" (Expand search), "using modeling vpython python programming" (Expand search), "using mobile vpython 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: (("based computational xcode java programming") OR ("using modis vpython python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational xcode java programming\") OR (\"using modis vpython python programming\"))".
• Removing quotes may allow a broader search: (( based computational xcode java programming ) OR ( using modis vpython python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computational xcode java programming") OR ("using modis vpython python programming"))*.