Perhaps you should try some spelling variations:
"variables diffusivity on coding program" » "variable diffusivity on coding program" (Expand search), "variable diffusion on coding program" (Expand search), "variables diffusivity of coding program" (Expand search), "variables diffusivity in coding program" (Expand search), "variables diffusivity and coding program" (Expand search), "variables diffusivity on cloning program" (Expand search), "variables diffusivity on loading program" (Expand search), "variables diffusivity on cooling programs" (Expand search), "variables diffusivity non coding 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("variables diffusivity on coding program") OR ("advanced python programming coding program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"variables diffusivity on coding program\") OR (\"advanced python programming coding program\"))".
• Removing quotes may allow a broader search: (( variables diffusivity on coding program ) OR ( advanced python programming coding program )).
• Adding a wildcard symbol may retrieve word variants: (("variables diffusivity on coding program") OR ("advanced python programming coding program"))*.