Perhaps you should try some spelling variations:
"based virtualization in python programming" » "based visualization in python programming" (Expand search), "and virtualization in python programming" (Expand search), "the virtualization in python programming" (Expand search), "based virtualization of python programming" (Expand search), "based virtualizacion _ python programming" (Expand search), "based virtualization _ python programming" (Expand search)
"and conventional coding coding program" » "and conventional cooling coding program" (Expand search), "and conventional loading coding program" (Expand search), "and conventional cooking coding program" (Expand search), "and conventional coding cloning program" (Expand search), "and conventional coding loading program" (Expand search), "and conventional coding cooling programs" (Expand search), "and conventional coding decoding program" (Expand search), "and conventional coding using program" (Expand search), "and conventional coding canine 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: "((\"and conventional coding coding program\") OR (\"based virtualization in python programming\"))~".
• Removing quotes may allow a broader search: (( and conventional coding coding program ) OR ( based virtualization in python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and conventional coding coding program") OR ("based virtualization in python programming"))*.