Perhaps you should try some spelling variations:
"modeling computation using locking problems" » "modeling computational using locking problems" (Expand search), "modeling simulation using locking problems" (Expand search), "modeling notation using locking problems" (Expand search), "modeling computations using locking problems" (Expand search), "modeling computation in locking problems" (Expand search), "modeling composition using locking problems" (Expand search), "modeling computation using packing problems" (Expand search), "modeling computation using loading problems" (Expand search), "modeling computation using docking problem" (Expand search), "modeling computation using stacking problems" (Expand search), "modeling computation using tracking problems" (Expand search), "modeling computation swing blocking 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: "((\"modeling computation using locking problems\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( modeling computation using locking problems ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("modeling computation using locking problems") OR ("using coding python python programming"))*.