Perhaps you should try some spelling variations:
"an introduction of computed programming" » "an introduction of computers programming" (Expand search), "an introduction of computer programing" (Expand search), "an introduction of computing programming" (Expand search), "an introduction to computed programming" (Expand search), "an introduction of computer programming" (Expand search), "an introduction ray computed programming" (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: "((\"an introduction of computed programming\") OR (\"advanced python python computer programming\"))~".
• Removing quotes may allow a broader search: (( an introduction of computed programming ) OR ( advanced python python computer programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("an introduction of computed programming") OR ("advanced python python computer programming"))*.