Perhaps you should try some spelling variations:
"advanced implementation and contact problem" » "advancing implementation and contact problem" (Expand search), "and implementation and contact problem" (Expand search), "based implementation and contact problem" (Expand search), "advanced implementation of contact problem" (Expand search), "advanced implementation and contact problems" (Expand search), "advanced implementation and conduct problems" (Expand search), "advanced implementation and control problem" (Expand search), "advanced implementation and content problem" (Expand search), "advanced implementation and context problem" (Expand search), "advanced implementation and contexts problem" (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: "((\"advanced implementation and contact problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( advanced implementation and contact problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced implementation and contact problem") OR ("using coding python python programming"))*.