Perhaps you should try some spelling variations:
"and introduction _ computer programsame" » "and introduction _ computer programme" (Expand search), "and introduction _ computer programs" (Expand search), "and introduction _ computer programmes" (Expand search), "an introduction _ computer programsame" (Expand search)
"advanced python python computer programming" » "advanced python python computer program" (Expand search), "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)

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: "((\"and introduction _ computer programsame\") OR (\"advanced python python computer programming\"))~".
• Removing quotes may allow a broader search: (( and introduction _ computer programsame ) OR ( advanced python python computer programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and introduction _ computer programsame") OR ("advanced python python computer programming"))*.