Perhaps you should try some spelling variations:
"coder and computational methods problem" » "coder and computational model problem" (Expand search), "coder _ computational methods problem" (Expand search), "coder and computational method problems" (Expand search), "coder and computational methodes problemes" (Expand search), "coder and computational methods produced" (Expand search), "code and computational methods problem" (Expand search), "codes and computational methods problem" (Expand search), "poder and computational methods 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: "((\"coder and computational methods problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and computational methods problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and computational methods problem") OR ("using coding python python programming"))*.