Perhaps you should try some spelling variations:
"teaching computation using java programing" » "teaching computational using java programing" (Expand search), "teaching competitions using java programing" (Expand search), "teaching compensation using java programing" (Expand search), "teaching computations using java programing" (Expand search), "teaching computation in java programing" (Expand search), "teaching composition using java programing" (Expand search), "teaching computation using java programming" (Expand search), "teaching computation using java programs" (Expand search), "teaching computation using meta programming" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ 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 programing") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching computation using java programing\") OR (\"using in python python programming\"))".
• Removing quotes may allow a broader search: (( teaching computation using java programing ) OR ( using in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("teaching computation using java programing") OR ("using in python python programming"))*.