Perhaps you should try some spelling variations:
"scale optimization python python programming" » "scale optimization method python programming" (Expand search), "scale optimization option python programming" (Expand search), "scale optimization methods python programming" (Expand search), "shape optimization python python programming" (Expand search), "whale optimization python python programming" (Expand search), "angle optimization python python programming" (Expand search), "scale optimization pythons python programming" (Expand search), "scale optimization piton python programming" (Expand search), "scale optimization pitons python programming" (Expand search)
"based testing _ coding program" » "based testing _ cloning program" (Expand search), "based testing _ loading program" (Expand search), "based testing _ cooling programs" (Expand search), "based costing _ coding program" (Expand search), "based teaching _ coding program" (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: "((\"based testing _ coding program\") OR (\"scale optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( based testing _ coding program ) OR ( scale optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based testing _ coding program") OR ("scale optimization python python programming"))*.