Perhaps you should try some spelling variations:
decrease fear » decrease after (Expand search), decrease their (Expand search), decrease cell (Expand search)
fear programa » ceara programa (Expand search), fumar programa (Expand search), par programa (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease std » decrease sod (Expand search), decrease and (Expand search), decrease at (Expand search)
std decrease » to decrease (Expand search), and decrease (Expand search), spp decrease (Expand search)
python on » python of (Expand search), python in (Expand search), python and (Expand search)
on python » in python (Expand search), of python (Expand search), _ python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease std decrease fear programa ) OR ( python on python python programming ))~.