Use the following tips to optimize your searches:

Enter words to find images that have at least one of the words:

Chrysler Building

Use "+" to find images that contain both words:

+Chrysler +Building

Find images that contain the word "building" but rank the results higher if they have the word "chrysler" too:

+chrysler building

Use "-" to find images that contain "chrysler" but not "building"

+chrysler -building

Find images that start with "hot" -- e.g. "hotter," "hotel"

hot*