Perhaps you should try some spelling variations:
"based computational python computer program" » "based computacional python computer program" (Expand search), "based computacional vpython computer program" (Expand search), "based computacionais python computer program" (Expand search), "and computational python computer program" (Expand search), "by computational python computer program" (Expand search)
"data visualization _ cleaning program" » "data visualization _ learning program" (Expand search), "data visualization _ leasing program" (Expand search), "data visualization _ screening 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: "((\"based computational python computer program\") OR (\"data visualization _ cleaning program\"))~".
• Removing quotes may allow a broader search: (( based computational python computer program ) OR ( data visualization _ cleaning program ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational python computer program") OR ("data visualization _ cleaning program"))*.