Perhaps you should try some spelling variations:
international centre » international theatre, international context, international case
from international » acm international
mechanical stress » mechanical systems, mechanical statics
lectures » lecture

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: from international centre for mechanical stress, courses AND lectures.
• Adding a wildcard symbol may retrieve word variants: from international centre for mechanical stress, courses and lectures*.