The page at which you will search images on Google looks like the following image
===> Let’s explain with an example in which we will Search for images of Triple Phosphate crystals in urine under microscope
===> Just write the following
Triple Phosphate crystals in urine
The result page will be as follow:
===> We will explain the options marked by the gray box on the left (see the next image)….. the main function of these options is to narrow the search results as possible.
1) Time option:
You will see 3 options related to time:
===> Any time: which is the standard choice by Google and means that the results will include the images of triple phosphate that uploaded at any time even if it uploaded from many years.
===> past 24 hours: it means that the results will include the images of triple phosphate uploaded in the past 24 hours
===> Past week : it means that the results will include the images of triple phosphate uploaded in the past Week
===> Custom Range: it means that the results will include the images of triple phosphate uploaded in certain period that you will define it
2) Results Type:
===> Any type: this option will show you any images named triple phosphate or phosphate or triple so, you will see images not related to Triple phosphate crystal
===> By subject: it will show you narrow range of results because it will show you the images founded in subjects talking about triple phosphate crystals in urine. (try it and you will find only 6 images showing only triple phosphate crystals in urine)
===> Personal: it is not effective and no results will be shown.
other options are easy and you can try them and ask me any thing if you don’t know how to use them