If you will have a look into "Updates & Changelog" section on product's page you will see that Visual Composer do not support all our items. http://snag.gy/N8fQs.jpg so if you want to use all our items, then we recommend to use Muffin Builder instead.
Those are all shortcodes. But some of them got different variations and possibilities inside and this is how you can play with all of them. Also some shortcodes exist as text/raw and can be selected in wordpress editor section where is []+ button.
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why you think that you don't have all shortcodes? Please explain what exactly happen and why you think like that.