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 program" (Expand search), "and communication _ computer programss" (Expand search)
"advanced python python computer programa" » "advanced python python computer program" (Expand search), "advanced python python computer programs" (Expand search), "advanced python python computer programme" (Expand search), "advanced method python computer programa" (Expand search), "advanced path python computer programa" (Expand search), "advanced symphony python computer programa" (Expand search), "advanced pythons python computer programa" (Expand search), "advanced piton python computer programa" (Expand search), "advanced pitons python computer programa" (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 communication in computer programss\") OR (\"advanced python python computer programa\"))~".
• Removing quotes may allow a broader search: (( and communication in computer programss ) OR ( advanced python python computer programa ))~.
• Adding a wildcard symbol may retrieve word variants: (("and communication in computer programss") OR ("advanced python python computer programa"))*.