Search Help

Multiple Word Search

To search for all words in the search to be present in the document:

neutrons protons

To search for either one word or another to be present, separate the word with a capitalized OR operator:

neutrons OR protons

Hyphenated Words

To search for hyphenated words, place them in quotes:

"k-space"

Phrase Search

To search for a multiple-word phrase, place the entire phrase in quotes:

"positive charge"

Proximity Search

To search for all of the words in a phrase, but allow them to be further apart or in a different order, specify a maximum word distance after the phrase, preceded by a tilde (~). In this example, words have to be no more than 3 words apart:

"neutron proton"~3