Perhaps you should try some spelling variations:
"teaching computation using computer program" » "teaching computational using computer program" (Expand search), "teaching competitions using computer program" (Expand search), "teaching compensation using computer program" (Expand search), "teaching computations using computer program" (Expand search), "teaching computation in computer program" (Expand search), "teaching composition using computer program" (Expand search)
"using maldi from python programming" » "using maldi from pathogen programming" (Expand search), "using maldi from anthony programming" (Expand search), "using mbandi from python programming" (Expand search), "using males from python programming" (Expand search), "using male from 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 using computer program\") OR (\"using maldi from python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computation using computer program ) OR ( using maldi from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computation using computer program") OR ("using maldi from python programming"))*.