Expects, when one goes in search of (5,3)

'expects' is the definition.
(looking for is a kind of expecting)

'when one goes in search of' is the wordplay.
'when' becomes 'as'.
'one' becomes 'a'.
'goes' indicates named letters should be taken away.
'in' means one lot of letters goes inside another.
'search of' becomes 'lookfor' (I can't justify this - if you can you should give a lot more credence to this answer).
'as' with 'a' taken out is 's'.
's' going inside 'lookfor' is 'LOOKS FOR'.

Can you help me to learn more?