http://library.mh.org.au/ >> popular databases >> select institution >> Medline. Ovid Medline page will open
EG literature on guidelines for hand hygiene in nursing becomes hand hygiene + guidelines + nursing
You will search each of these separately, then combine.
Bring your terms together.
This is your hand hygiene 'bundle'
Select the lines you want using the check boxes to the left of screen.
Combine with the AND button below your search history.
The most relevant material will be those that are present in all your concepts.