Perhaps you should try some spelling variations:
mechanical sciences » mechanical science, mechanical stresses, clinical sciences
cism international » ism international, acis international, im international
technical sciences » medical sciences, chemical sciences, technical advances
rim international » from international, acm international, im internationalen
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: ((cism international) OR (rim international)) centre for ((mechanical sciences) OR (technical sciences)), courses AND lectures.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((cism international) OR (rim international)) centre for ((mechanical sciences) or (technical sciences)), courses and lectures".
• Adding a wildcard symbol may retrieve word variants: ((cism international) OR (rim international)) centre for ((mechanical sciences) or (technical sciences)), courses and lectures*.