If you open the map explorer, you will find there are hundreds of mind map files. And if you try to find a file, it will be a little hard by browsing every page. Here you can use mindv's search feature. In the map explorer, you can find "search" input box. Here , you can input a key words about a mind map, then click "Go" button, the explorer will display the search result. By default, the result will include all the files which title include the key words. Second, if the file's tags contain the key words will also be included .
So the tips is, if you want to set search key words for a mind map file, you can put them on the "tags" input box in the Map properties dialog.
Download MindV help files from download.com:
http://www.mindv2.com/ (Simplified chinese)
http://tw.mindv.com/ (Traditional chinese)
http://mindv2.cloudapp.net/ (MindV online mind mapping service)
http://hi.baidu.com/mindvsales/blog (Hanson's simplified chinese blogs)
http://cn.linkedin.com/pub/hanson-chen/28/464/89a (Hanson's linkedin home page)