To conduct a survey in English, you would say "to conduct a survey" or "to carry out a survey." The phrase comes from the verb "to conduct," which means "to lead or guide, especially an activity or event." Here are some examples of how you might use this phrase in a sentence:

"We are conducting a survey to learn more about our customers' preferences."

"The researchers are carrying out a survey to gather data on the effects of climate change."

In these sentences, the word "survey" refers to an investigation or study that involves collecting data from a group of people. The goal of the survey is to gather information that will help the researchers understand the topic they are studying.