Perhaps you should try some spelling variations:
"variable diffusion not coding program" » "variable diffusivity not coding program" (Expand search), "variable diffusion not cloning program" (Expand search), "variable diffusion not loading program" (Expand search), "variable diffusion not cooling programs" (Expand search), "variable diffusion norm coding program" (Expand search), "variable diffusion nmr coding program" (Expand search), "variable diffusion et coding program" (Expand search), "variable diffusion not coping program" (Expand search), "variable diffusion not clouding program" (Expand search), "variable diffusion not holding program" (Expand search)
"advanced python programming coding program" » "advanced python programming using program" (Expand search), "advanced python programming code program" (Expand search), "advanced python programming computing program" (Expand search), "advanced method programming coding program" (Expand search), "advanced path programming coding program" (Expand search), "advanced symphony programming coding program" (Expand search), "advanced python programming cloning program" (Expand search), "advanced python programming loading program" (Expand search), "advanced python programming cooling programs" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"variable diffusion not coding program\") OR (\"advanced python programming coding program\"))~".
• Removing quotes may allow a broader search: (( variable diffusion not coding program ) OR ( advanced python programming coding program ))~.
• Adding a wildcard symbol may retrieve word variants: (("variable diffusion not coding program") OR ("advanced python programming coding program"))*.