Perhaps you should try some spelling variations:
"teaching computation in making problems" » "teaching computational in making problems" (Expand search), "teaching competitions in making problems" (Expand search), "teaching compensation in making problems" (Expand search), "teaching computation in packing problems" (Expand search), "teaching computation in making process" (Expand search), "teaching computation in packing problem" (Expand search), "teaching computation and making problems" (Expand search), "teaching computation of making problems" (Expand search), "teaching imputation in making problems" (Expand search), "teaching computation in milking problems" (Expand search), "teaching computation _ making problems" (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 computation in making problems\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computation in making problems ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computation in making problems") OR ("using codigo python python programming"))*.