MySQL 5.7.9在WAMP上使用Sphinx在多个表中进行全文研究

I I have to do a research in multiple MySQL tables for my internship. In fact, I do this for a web phone directory. I have a form text input to enter the research. I tried to use the MATCH/AGAINST syntax but it appears to be wrong. My query is actually that one :I I have to do a research in multiple MySQL tab