What can I add if I want to limit the results to those formal educational institutions in China on the basis of the above search?

0 1-inurl:URL+ keyword.

This description indicates that the search result is a website whose URL contains keywords. Commonly used are inurl:court+ keywords or inurl:gov+ keywords. Among them, court stands for court-related websites, and gov stands for government-related websites.

Through this instruction, we can quickly find some authoritative explanations of a legal issue.

For example, the Eleventh Amendment to the Criminal Law, which was implemented on March 1 20265438, increased the crime of throwing objects at high altitude. We can learn relevant legal knowledge through the above explanation.

02-filetype: file format (pdf/doc/ppt)+ keywords.

This instruction means to retrieve files in a specific format. Through this instruction, we can quickly find some documents we need.

For example, we need to draft a house lease contract. Usually we will find a suitable contract template first, and then make adaptive adjustments and modifications on the basis of the template.

Description: file type: doc house lease contract

Through the above search, we can get many WORD versions of the housing lease contracts for our reference.

03- site: domain name+keyword.

This directive means searching on a specific website. Through this instruction, we can find what we need on a specific website.

For example, we would like to inquire about the announcement in official website, China National Intellectual Property Administration about enabling patent electronic bills. Search Description: Location: ipa.gov.cn? electronic bill