Perhaps you should try some spelling variations:
"teaching computational using simplex program" » "using computational using simplex program" (Expand search), "teaching educational using simplex program" (Expand search), "applying computational using simplex program" (Expand search), "teaching computation using simplex program" (Expand search), "teaching computations using simplex program" (Expand search), "teaching computacional usinas simplex program" (Expand search), "teaching computational using simples program" (Expand search), "teaching computational using complex program" (Expand search), "teaching computational using simple program" (Expand search), "teaching computational using samples program" (Expand search)
"testing tools python python programming" » "teaching tools python python programming" (Expand search), "cutting tools python python programming" (Expand search), "testing to python python programming" (Expand search), "testing tools pythons python programming" (Expand search), "testing tools piton python programming" (Expand search), "testing tools pitons python programming" (Expand search), "testing tool python python programming" (Expand search), "testing tools person 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 computational using simplex program") OR ("testing tools python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching computational using simplex program\") OR (\"testing tools python python programming\"))".
• Removing quotes may allow a broader search: (( teaching computational using simplex program ) OR ( testing tools python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("teaching computational using simplex program") OR ("testing tools python python programming"))*.