Perhaps you should try some spelling variations:
"based computational java optimization problems" » "and computational java optimization problems" (Expand search), "by computational java optimization problems" (Expand search), "based computacional java optimization problems" (Expand search), "based computational data optimization problems" (Expand search), "based computational and optimization problems" (Expand search), "based computational bark optimization problems" (Expand search), "based computational fpga optimization problems" (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: "((\"based computational java optimization problems\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( based computational java optimization problems ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational java optimization problems") OR ("using coding python python programming"))*.