Perhaps you should try some spelling variations:
photons python » pitons python (Expand search), piton python (Expand search), pythons python (Expand search)
bone processes » zone processes (Expand search), coke processes (Expand search), dose processes (Expand search)
decrease bone » decreased bone (Expand search), decreases bone (Expand search), increase bone (Expand search)
based photons » based photon (Expand search), based photonic (Expand search), based proton (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decrease on (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
python based » action based (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: "(( decrease toc decrease bone processes ) OR ( python based photons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease bone processes ) OR ( python based photons python programming ))*.