Perhaps you should try some spelling variations:
"dose computation using constrained programming" » "dose computation using constraint programming" (Expand search), "dose computations using constrained programming" (Expand search), "dose computation in constrained programming" (Expand search), "dose composition using constrained programming" (Expand search), "dose computation bound constrained programming" (Expand search), "dose computation and constrained programming" (Expand search), "pose computation using constrained programming" (Expand search), "whose computation using constrained programming" (Expand search), "core computation using constrained programming" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("dose computation using constrained programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"dose computation using constrained programming\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( dose computation using constrained programming ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("dose computation using constrained programming") OR ("using coding python python programming"))*.