Perhaps you should try some spelling variations:
decreased disease » decreases disease (Expand search), increased disease (Expand search), decreased base (Expand search)
disease progress » disease process (Expand search), disease progression (Expand search)
cross decreased » causes decreased (Expand search), corn decreased (Expand search), loss decrease (Expand search)
decrease cross » decrease costs (Expand search), increase cross (Expand search), decrease sucrose (Expand search)
model computer » vhdl computer (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
python model » python module (Expand search), python code (Expand search), python morelia (Expand search)
program » programa (Expand search)

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

• Removing quotes may allow a broader search: (( decrease cross decreased disease progress ) OR ( python python model computer program ))~.