Perhaps you should try some spelling variations:
parameters optimization » parameter optimization, parameter estimation
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
sensor algorithm » qspr algorithm, search algorithm, winner algorithm
gas sensor » gas sensors
code gas » coal gas, cold gas

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: "(( code gas sensor algorithm ) OR ( modified parameters optimization algorithm ))~".
• Adding a wildcard symbol may retrieve word variants: (( code gas sensor algorithm ) OR ( modified parameters optimization algorithm ))*.