Perhaps you should try some spelling variations:
"based computational of complexity from" » "and computational of complexity from" (Expand search), "by computational of complexity from" (Expand search), "based computational one complexity from" (Expand search), "based computational _ complexity from" (Expand search), "based computational 3d complexity from" (Expand search)
"using tool python python programming" » "using tool pythons python programming" (Expand search), "using tool piton python programming" (Expand search), "using tool pitons python programming" (Expand search), "using tools python python programming" (Expand search), "using total python python programming" (Expand search), "using tonal python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("based computational of complexity from") OR ("using tool python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational of complexity from\") OR (\"using tool python python programming\"))".
• Removing quotes may allow a broader search: (( based computational of complexity from ) OR ( using tool python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computational of complexity from") OR ("using tool python python programming"))*.