Perhaps you should try some spelling variations:
decrease frequency » increased frequency (Expand search), disease frequency (Expand search), increasing frequency (Expand search)
frequency program » fluency program (Expand search), frequency diagram (Expand search), reidency program (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), stent decrease (Expand search), that increases (Expand search)
python codes » python code (Expand search), python redes (Expand search), python coding (Expand search)
codes java » codes ana (Expand search), codes davi (Expand search), xcode java (Expand search)

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

• Removing quotes may allow a broader search: (( decrease that decrease frequency program ) OR ( python codes java python programming ))~.