Perhaps you should try some spelling variations:
diffraction data » diffraction and (Expand search), diffraction xrd (Expand search), diffraction of (Expand search)
decay processes » levy processes (Expand search), key processes (Expand search), memory processes (Expand search)
decrease decay » decreases pecan (Expand search), decrease fear (Expand search), decrease renal (Expand search)
code decrease » oxide decrease (Expand search), roads decrease (Expand search), to decrease (Expand search)
prior python » piton python (Expand search), prior ethos (Expand search)
data prior » data poor (Expand search), beta prior (Expand search), ana prior (Expand search)
code code » code cdc (Expand search)

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

• Removing quotes may allow a broader search: (( code code decrease decay processes ) OR ( diffraction data prior python programming ))~.