Perhaps you should try some spelling variations:
"teaching computational _ precoder program" » "using computational _ precoder program" (Expand search), "teaching educational _ precoder program" (Expand search), "applying computational _ precoder program" (Expand search), "teaching computational _ proder program" (Expand search), "teaching computational _ recovery program" (Expand search), "teaching computational _ precoce programa" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium python python programming" (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: "((\"teaching computational _ precoder program\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computational _ precoder program ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computational _ precoder program") OR ("using codigo python python programming"))*.