Perhaps you should try some spelling variations:
"teaching operations in java programing" » "learning operations in java programing" (Expand search), "teaching relations in java programing" (Expand search), "teaching expectations in java programing" (Expand search), "teaching operations in java programming" (Expand search), "teaching operations in java programs" (Expand search), "teaching operations in meta programming" (Expand search), "teaching operations in japan programing" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 operations in java programing\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching operations in java programing ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching operations in java programing") OR ("using coding python python programming"))*.