Perhaps you should try some spelling variations:
international commission » international competition, international comparison, international commercial
biosystems engineering » systems engineering, ecosystem engineering, bioprocess engineering
esystems engineering » systems engineering, systems bioengineering, systems engineered
system engineering » systems engineering, systems engineered

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

• If you are trying to use Boolean operators, they must be ALL CAPS: international commission of agricultural AND ((((biosystems engineering) OR (system engineering))) OR (esystems engineering)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "international commission of agricultural and ((((biosystems engineering) OR (system engineering))) or (esystems engineering))".
• Adding a wildcard symbol may retrieve word variants: international commission of agricultural and ((((biosystems engineering) OR (system engineering))) or (esystems engineering))*.