Perhaps you should try some spelling variations:
"and computational python computer program" » "and computacional python computer program" (Expand search), "and computacional vpython computer program" (Expand search), "and computacionais python computer program" (Expand search), "_ computational python computer program" (Expand search)
"an introduction in chilling program" » "an introduction in culling program" (Expand search), "an introduction in drilling program" (Expand search), "an introduction in schooling program" (Expand search), "an introduction and chilling program" (Expand search), "an introduction to chilling program" (Expand search), "an introduction of chilling program" (Expand search), "an introduction in chilli program" (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: (("an introduction in chilling program") OR ("and computational python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"an introduction in chilling program\") OR (\"and computational python computer program\"))".
• Removing quotes may allow a broader search: (( an introduction in chilling program ) OR ( and computational python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("an introduction in chilling program") OR ("and computational python computer program"))*.