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