Perhaps you should try some spelling variations:
"_ computational complexity java programming" » "_ computational complexity and programming" (Expand search), "_ computational complexity based programming" (Expand search), "_ computational complexity goal programming" (Expand search), "_ computational complexity data programming" (Expand search), "_ computational complexity an programming" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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: "((\"_ computational complexity java programming\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( _ computational complexity java programming ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ computational complexity java programming") OR ("using codigo python python programming"))*.