Perhaps you should try some spelling variations:
"pricing models vpython python programming" » "pricing model vpython python programming" (Expand search), "pricing models vpython action programming" (Expand search), "pricing modeling vpython python programming" (Expand search), "pricing modulo python python programming" (Expand search), "pricing models python python programming" (Expand search), "pricing models pythons python programming" (Expand search), "pricing models piton python programming" (Expand search)
"coder python coding python program" » "coder python coding action program" (Expand search), "coder python codigo python program" (Expand search), "coder action coding python program" (Expand search), "coder python code python program" (Expand search), "coder python codigos python program" (Expand search), "coder python using python program" (Expand search), "codigo python coding python program" (Expand search), "compra python coding python 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: (("coder python coding python program") OR ("pricing models vpython python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder python coding python program\") OR (\"pricing models vpython python programming\"))*".
• Removing quotes may allow a broader search: (( coder python coding python program ) OR ( pricing models vpython python programming ))*.