Perhaps you should try some spelling variations:
international context » international congress, international conference
mechanical sciences » mechanical science, technical sciences, chemical sciences
acis » acts, acid, acs

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: acis international context for mechanical sciences, courses AND lecture.
• Adding a wildcard symbol may retrieve word variants: acis international context for mechanical sciences, courses and lecture*.