Perhaps you should try some spelling variations:
"surface optimization in computer program" » "shape optimization in computer program" (Expand search), "scale optimization in computer program" (Expand search), "resource optimization in computer program" (Expand search), "surface optimization and computer program" (Expand search), "surface optimization _ computer program" (Expand search)
"advanced python python computer programming" » "advanced python python computer programs" (Expand search), "advanced method python computer programming" (Expand search), "advanced path python computer programming" (Expand search), "advanced symphony python computer programming" (Expand search), "advanced pythons python computer programming" (Expand search), "advanced piton python computer programming" (Expand search), "advanced pitons python computer programming" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"surface optimization in computer program\") OR (\"advanced python python computer programming\"))~".
• Removing quotes may allow a broader search: (( surface optimization in computer program ) OR ( advanced python python computer programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("surface optimization in computer program") OR ("advanced python python computer programming"))*.