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