Perhaps you should try some spelling variations:
"random regression using java programing" » "random regression testing java programing" (Expand search), "random regression in java programing" (Expand search), "random expression using java programing" (Expand search), "random regression using java programming" (Expand search), "random regression using java programs" (Expand search), "random regression using meta programming" (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: "((\"random regression using java programing\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( random regression using java programing ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("random regression using java programing") OR ("using using python python programming"))*.