Perhaps you should try some spelling variations:
"data visualization on computer programming" » "data visualization on computer programs" (Expand search), "data visualization of computer programming" (Expand search), "data visualization in computer programming" (Expand search), "data visualization and computer programming" (Expand search), "data visualization en computer programming" (Expand search), "data visualization on computer programaming" (Expand search)
"advanced python python computer program" » "advanced method python computer program" (Expand search), "advanced path python computer program" (Expand search), "advanced symphony python computer program" (Expand search), "advanced pythons python computer program" (Expand search), "advanced piton python computer program" (Expand search), "advanced pitons python computer program" (Expand search), "advanced python pythin computer program" (Expand search), "advanced python pythen computer program" (Expand search), "advanced python pythand computer program" (Expand search), "advanced python python computer programa" (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: "((\"data visualization on computer programming\") OR (\"advanced python python computer program\"))~".
• Removing quotes may allow a broader search: (( data visualization on computer programming ) OR ( advanced python python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("data visualization on computer programming") OR ("advanced python python computer program"))*.