Perhaps you should try some spelling variations:
discourses program » discourses from (Expand search), course program (Expand search), disclosure program (Expand search)
drying modeling » drying modelling (Expand search), drying models (Expand search), using modeling (Expand search)
modeling python » modeling vpython (Expand search), modeling pitting (Expand search)
imputation in » mutation in (Expand search), imputation of (Expand search), implantation in (Expand search)
in discourses » in discourse (Expand search), and discourses (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( AND imputation in discourses program ) OR ( drying modeling python python programming ))*.