Perhaps you should try some spelling variations:
"teaching computation using java programs" » "teaching computational using java programs" (Expand search), "teaching competitions using java programs" (Expand search), "teaching compensation using java programs" (Expand search), "teaching computations using java programs" (Expand search), "teaching computation in java programs" (Expand search), "teaching composition using java programs" (Expand search), "teaching computation using and programs" (Expand search), "teaching computation using care programs" (Expand search), "teaching computation using java programming" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python 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 java programs") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching computation using java programs\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( teaching computation using java programs ) OR ( using coding python python programming ))*.