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