Perhaps you should try some spelling variations:
"teaching functions and java programing" » "teaching fractions and java programing" (Expand search), "teaching actions and java programing" (Expand search), "teaching conceptions and java programing" (Expand search), "teaching functions and java programming" (Expand search), "teaching functions and java programs" (Expand search), "teaching functions and meta programming" (Expand search), "teaching function and java programing" (Expand search), "teaching functional and java programing" (Expand search), "teaching functions and japan programing" (Expand search), "teaching functions in java programing" (Expand search), "teaching functions and jail programing" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing 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 and java programing\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching functions and java programing ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching functions and java programing") OR ("using using python python programming"))*.