Perhaps you should try some spelling variations:
"and communication in computer programss" » "and communication in computer programs" (Expand search), "and communication in computer programmes" (Expand search), "and communication in computer programme" (Expand search), "and communication _ computer programss" (Expand search), "and communication in computer programass" (Expand search)
"advanced python python computer program" » "advanced method python computer program" (Expand search), "advanced path python computer program" (Expand search), "advanced symphony python computer program" (Expand search), "advanced pythons python computer program" (Expand search), "advanced piton python computer program" (Expand search), "advanced pitons python computer program" (Expand search), "advanced python python computer programa" (Expand search)

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• Adding a wildcard symbol may retrieve word variants: (("and communication in computer programss") OR ("advanced python python computer program"))*.