blog/ngmodel/mdAutocomplete

autocomplet-example.html

<md-autocomplete 
      md-selected-item="selectedItem"
      md-search-text="searchText"
      md-items="item in ctrl.items"
      md-min-length="0">
  <md-item-template>
    {{item}}
  </md-item-template>
</md-autocomplete>
<bind-expression name="selectedItem" ng-required="true" expression="selectedItem" ng-model="ctrl.selectedItem" />
<bind-expression expression="searchText" ng-model="ctrl.searchText" />