1. First, look for all kinds of keywords in the school intranet.

2. Don't download traffic on the intranet. Since there is no traffic in the internal network, go to the external network. Go to dog search, enter your keywords directly, and if you have them, just use Thunder to get them ~

3. Electric donkey, Chinese rhyme, etc. . .

4. Network search.

If this is not the case, basically this information will not be available online, only a few people have it at hand, and the probability of them seeing your Baidu question is too small. . . For example, many books are copyrighted. Many books don't have electronic manuscripts online, and there may be scanned pdf, but the clarity is limited. If it is clear, it will be very big. . .