Perhaps you should try some spelling variations:
tanner lectures » tanner lecture, matter lectures, after lectures
annex lectures » annual lectures, index lecturers, channels lectures
index lectures » index lecturers, indexes lecturers, index apertures

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