Perhaps you should try some spelling variations:
"and implementation _ computer programss" » "and implementation _ computer programs" (Expand search), "and implementation _ computer programmes" (Expand search), "and implementation _ computer programme" (Expand search), "and implementation _ 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("and implementation _ computer programss") OR ("advanced python python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and implementation _ computer programss\") OR (\"advanced python python computer program\"))".
• Removing quotes may allow a broader search: (( and implementation _ computer programss ) OR ( advanced python python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("and implementation _ computer programss") OR ("advanced python python computer program"))*.