Perhaps you should try some spelling variations:
propagation algorithm » approximation algorithm (Expand search), approximation algorithms (Expand search)
algorithm informatica » algorithms informatics (Expand search), algoritmos informatica (Expand search), algorithms information (Expand search)
coder propagation » mode propagation (Expand search), model propagation (Expand search), modes propagation (Expand search)
informatica aic » information aic (Expand search), informatica dis (Expand search), informatica basica (Expand search)
using coping » using coding (Expand search), using coupling (Expand search), nursing coping (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder propagation algorithm informatica aic ) OR ( using coping _ python programming ))~".
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