Perhaps you should try some spelling variations:
"and computational coder location problem" » "and computational code location problem" (Expand search), "and computational codes location problem" (Expand search), "and computational model location problem" (Expand search), "_ computational coder location problem" (Expand search), "and computational over location problem" (Expand search), "and computational under location problem" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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: "((\"and computational coder location problem\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( and computational coder location problem ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational coder location problem") OR ("_ python python python programming"))*.