Perhaps you should try some spelling variations:
"advanced modeling vpython python programming" » "advanced metering vpython python programming" (Expand search), "advanced modeling method python programming" (Expand search), "advanced modeling python python programming" (Expand search), "advanced modeling pythons python programming" (Expand search), "advanced modeling piton python programming" (Expand search)
"basic functions in decoding program" » "basic functions in welcoming program" (Expand search), "basic functions in deworming program" (Expand search), "basic functions in feeding program" (Expand search), "basis functions in decoding program" (Expand search), "basis function in decoding program" (Expand search), "base functions in decoding program" (Expand search), "basic functions and decoding program" (Expand search), "basic functions _ decoding program" (Expand search), "basic functions in descending program" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"basic functions in decoding program\") OR (\"advanced modeling vpython python programming\"))~".
• Removing quotes may allow a broader search: (( basic functions in decoding program ) OR ( advanced modeling vpython python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("basic functions in decoding program") OR ("advanced modeling vpython python programming"))*.