Perhaps you should try some spelling variations:
their programming » their reprogramming (Expand search), theory programming (Expand search), the programming (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
usando pythons » usando python (Expand search), usando patrones (Expand search)
pythons python » python python (Expand search), pitons python (Expand search), piton python (Expand search)
decrease fear » decrease after (Expand search), decrease cell (Expand search)
fear decrease » break decrease (Expand search), merr decreases (Expand search), can decrease (Expand search)
python usando » python and (Expand search), python estudo (Expand search), python django (Expand search)

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

• Removing quotes may allow a broader search: (( decrease fear decrease their programming ) OR ( python usando pythons python programming ))~.