For exact terms and phrases use quotes:
(e.g. "Whytecliff School")

Use * as a wildcard:
(e.g. fis* to retrieve fish, fishing, fiscal, etc.)

Use & (and) to search for two terms:
(e.g. house & ambleside)

Use / (or) to search for one term or another:
(e.g. pacific great eastern railway / pge / p.g.e.)

Use ! (not) to search for one term but not another:
(e.g. bridges ! lions gate)

Use : to search a date range:
(e.g. 1935:1946)