Perhaps you should try some spelling variations:
"teaching computation using selection problem" » "teaching computational using selection problem" (Expand search), "teaching competitions using selection problem" (Expand search), "teaching compensation using selection problem" (Expand search), "teaching computations using selection problem" (Expand search), "teaching computation in selection problem" (Expand search), "teaching composition using selection problem" (Expand search), "teaching computation using allocation problem" (Expand search), "teaching computation using selection process" (Expand search), "teaching computation using location problem" (Expand search), "teaching computation using reaction problem" (Expand search)
"using code from python programming" » "using code from pathogen programming" (Expand search), "using code from anthony programming" (Expand search), "using cone from python programming" (Expand search), "using co from python programming" (Expand search), "using co2 from python programming" (Expand search), "using code form python programming" (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: (("teaching computation using selection problem") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching computation using selection problem\") OR (\"using code from python programming\"))".
• Removing quotes may allow a broader search: (( teaching computation using selection problem ) OR ( using code from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("teaching computation using selection problem") OR ("using code from python programming"))*.