Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithm (Expand Search), optimization algorithms (Expand Search), maximization algorithm (Expand Search)
process optimisation » process optimization (Expand Search), robust optimisation (Expand Search), process simulation (Expand Search)
cycle process » whole process (Expand Search)
linear cycle » lunar cycle (Expand Search), linear type (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: linear cycle process optimisation algorithm~.
• Adding a wildcard symbol may retrieve word variants: linear cycle process optimisation algorithm*.