Perhaps you should try some spelling variations:
decrease training » increased training (Expand search), disease training (Expand search), release training (Expand search)
python engine » piston engine (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decrease on (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
engine piton » engine in (Expand search), engine motor (Expand search), engine on (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease toc decrease training program ) OR ( python engine piton python programming ))~.