Important: the SEARCH interface requires the user to specify the journal(s) within which a search is to be done, and searches are NOT conducted on the full text of articles. You can choose fields to search, and make Boolean combinations. 
The ABSTRACT field is a good candidate for the equivalent of a keyword search, and probably the best place to begin. A search for a phrase in the ABSTRACT field can be done by enclosing it in quotes (thus, "structure and stability of metallic glasses" retrieves ONE article in Phys Rev B.; without the quotes, the terms are combined and 11 articles are retrieved). 
A 'FULL RECORD' search includes AUTHOR, ABSTRACT, TITLE, COLLABORATION and AFFILIATION fields. The Helpful Hints in the website summarize other features (e.g., "Greek letters are spelled out with upper case Greek starting with an upper case letter: Delta vs. delta.").

Entries dating from 1996 include complete reference (bibliography) listings, while earlier entries (back to 1966) include only citations and abstracts. 
Combining Terms You can search for entries containing two or more terms by combining them with "AND" in the search statement. Example: college AND stress 
Phrases Search for a multi-word phrase by placing the terms within double quotation-marks. Example: "binge drinking" 
Wildcards/Truncation The search system will automatically search for singular and plural forms of a term that is entered. Example: cell will find cell and cells. 
A question-mark (?) will replace a single character in a search term. Example: analys?s will find analysis and analyses. 
An asterisk (*) can replace any number of characters in a search term. Example: behav* will find behavior, behaviour, behavioral, behaviors, behaviorism, etc. 
Citation Indexing Note that most entries include a "Cited By" option, which allows you to see publications which have cited the item you are viewing. 
Full Text Many entries in the database include "View at Publisher" links, intended to lead you to the complete text of articles, etc. on publisher Web site. In many cases, we actually will not have access to these materials.