Perhaps you should try some spelling variations:
"teaching modulation using computer program" » "teaching education using computer program" (Expand search), "teaching mediation using computer program" (Expand search), "teaching motivation using computer program" (Expand search), "teaching modulation during computer program" (Expand search), "teaching population using computer program" (Expand search), "teaching formulation using computer program" (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 modulation using computer program\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching modulation using computer program ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching modulation using computer program") OR ("using codigo python python programming"))*.