Perhaps you should try some spelling variations:
multidimensional arrays » multidimensional approach, multidimensional analysis, multidimensional data
separation control » operation control, generation control, evaporation control
actuation control » actuator control, automation control, saturation control
arrays marta » arrays data, arrays part, arrays matlab

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication ((actuation control) or (separation control)) multidimensional arrays marta~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication ((actuation control) OR (separation control)) multidimensional arrays marta.
• Adding a wildcard symbol may retrieve word variants: communication ((actuation control) or (separation control)) multidimensional arrays marta*.