Perhaps you should try some spelling variations:
"data visualization python computer program" » "data visualization method computer program" (Expand search), "data visualization methods computer program" (Expand search), "data visualization tool computer program" (Expand search)
"using computational _ decoding program" » "and computational _ decoding program" (Expand search), "using computational _ welcoming program" (Expand search), "using computational _ deworming program" (Expand search), "using computational _ feeding 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: (("using computational _ decoding program") OR ("data visualization python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational _ decoding program\") OR (\"data visualization python computer program\"))".
• Removing quotes may allow a broader search: (( using computational _ decoding program ) OR ( data visualization python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("using computational _ decoding program") OR ("data visualization python computer program"))*.