Perhaps you should try some spelling variations:
"based visualization _ coding program" » "based virtualization _ coding program" (Expand search), "and visualization _ coding program" (Expand search), "data visualization _ coding program" (Expand search), "based visualization _ cloning program" (Expand search), "based visualization _ loading program" (Expand search), "based visualization _ cooling programs" (Expand search)
"an introduction python computer program" » "an introduction section computer program" (Expand search), "an introduction earthen computer program" (Expand search), "an introduction methods computer 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: (("based visualization _ coding program") OR ("an introduction python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based visualization _ coding program\") OR (\"an introduction python computer program\"))".
• Removing quotes may allow a broader search: (( based visualization _ coding program ) OR ( an introduction python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("based visualization _ coding program") OR ("an introduction python computer program"))*.