What is the search rule of Google, Baidu? For example, you want to search for item1 item2 item3 (separated by spaces in the middle)
The keywords for searching out are the few conditions? Is there ITEM1 ITEM2 ITEM3 or ITEM1 ITEM2, ITEM3 or ITEM1, ITEM2 ITEM3 or ITEM1, ITEM2, ITEM3?
