Perhaps you should try some spelling variations:
"teaching functions using java programing" » "teaching fractions using java programing" (Expand search), "teaching actions using java programing" (Expand search), "teaching conceptions using java programing" (Expand search), "teaching function using java programing" (Expand search), "teaching reactions using java programing" (Expand search), "teaching functions using java programming" (Expand search), "teaching functions using java programs" (Expand search), "teaching functions 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching functions using java programing\") OR (\"using in python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching functions using java programing ) OR ( using in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching functions using java programing") OR ("using in python python programming"))*.