Perhaps you should try some spelling variations:
program formulation » programme formulation, problem formulation, programming formulation
processing program » processing programs, processing programmed, proceedings program
formulation https » simulation https, computation https, formulation iapws
interface python » interface method, interface methods, interface pattern
interface proton » interface proteins, interface promoting, interface protocols

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((interface python) or (interface proton)) processing program formulation https~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((interface python) OR (interface proton)) processing program formulation https.
• Adding a wildcard symbol may retrieve word variants: ((interface python) or (interface proton)) processing program formulation https*.