Perhaps you should try some spelling variations:
defects decrease » events decrease (Expand search), elements decrease (Expand search), defects created (Expand search)
decoder defects » secondary defects (Expand search), deformed defects (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at program » act program (Expand search), art program (Expand search), it program (Expand search)

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

• Removing quotes may allow a broader search: (( decoder defects decrease at program ) OR ( python _ python python programming ))~.