Perhaps you should try some spelling variations:
annual lectures » annual lecture, annual returns, annual legumes
annex lectures » tanner lectures, index lectures, index lecturers
berkeley unix » berkeley usa
unix lectures » union lectures, six lectures, munich lectures

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: (( berkeley ((annex lectures) OR (annual lectures)) ) OR ( berkeley unix lectures )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( berkeley ((annex lectures) OR (annual lectures)) ) or ( berkeley unix lectures ))".
• Adding a wildcard symbol may retrieve word variants: (( berkeley ((annex lectures) OR (annual lectures)) ) or ( berkeley unix lectures ))*.