Search Tips:
1. "": Do not split keywords. When the content we are looking for is a phrase or multiple Chinese characters, then we enclose them in double quotation marks and then search. At this time, the search results are the least and most accurate.
2. Keyword-noise words (there is a space in the middle)
3. Keyword + confirm word (there is a space in the middle)
4. filetype: file format keywords
The effect is to find files in a specific format. For example, if we want to find a ppt for a job report, then we only need to enter: filetype:ppt work-Baidu Library, so that we can find files in specific formats such as pdf, word, avi, etc. .
Other types of files: pdf, doc, ppt, xls, all
5. intitle: keyword: specific title. If there are multiple words: allintitle : Keyword 1 Keyword 2...
6. intext: keyword, if there are multiple words: allintext: keyword 1 keyword 2...
7. inurl : Keyword For example, if we want to find relevant information about household registration on the official website, we only need to enter: household registration inurl:gov.
com:commercial company
gov: government agency
edu: educational institution
net: network service provider
org: organization association
int: international organization
co: community or company
info: information service provision
mil: military establishment
8. site: specific website domain name keywords: site search
9. Keyword time 1.. time 2: time range