相关搜索引擎 related search engine ,just like the suggestion search if you search about "wangfei",then you will only get the information contain the key word,and   the you can get some suggestion information about the keyword.our goal is to provide you with   the result that hava relationship with the key word.give a example,we can tell you other   information about wangfei,like liyapeng,her husband ,her daughter,and so on.it is just like we   have draw a map that contain all the keywords and the relationship,so if you want to know what   has relationship with the keywords,you can use this kind of search engine.