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