Perhaps you should try some spelling variations:
"advanced estimation python computer program" » "advanced automation python computer program" (Expand search), "advanced optimization python computer program" (Expand search), "advanced simulation python computer program" (Expand search), "advanced estimation portion computer program" (Expand search), "advanced estimation method computer program" (Expand search), "advanced animation python computer program" (Expand search)
"advanced oxidation in computer programs" » "advanced oxidation and computer programs" (Expand search), "advanced oxidation of computer programs" (Expand search), "advanced oxidation _ computer programs" (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: (("advanced estimation python computer program") OR ("advanced oxidation in computer programs"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced estimation python computer program\") OR (\"advanced oxidation in computer programs\"))*".
• Removing quotes may allow a broader search: (( advanced estimation python computer program ) OR ( advanced oxidation in computer programs ))*.