Perhaps you should try some spelling variations:
diffusion imaging » perfusion imaging (Expand search), diffraction imaging (Expand search), diffusion bonding (Expand search)
coder diffusion » copper diffusion (Expand search), order diffusion (Expand search), node diffusion (Expand search)
be programming » re programming (Expand search), by programming (Expand search), the programming (Expand search)
using coating » using coatings (Expand search), using rotating (Expand search), using cutting (Expand search)
imaging be » imaging by (Expand search), imaging dce (Expand search), imaging are (Expand search)

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

• Removing quotes may allow a broader search: (( coder diffusion imaging be programming ) OR ( using coating _ python programming ))~.