Perhaps you should try some spelling variations:
direction vectors » direction vector, directional vectors, direction factors
vectors multiply » vector multiply, vectors multiple, vectors multiplying
multiply part » multiple part, multiple parts, multiples part
part pensar » para pensar, para repensar
pensar cuba » pensar uma, pensar una, denmark cuba
cuba mexico » cuba mexican, usa mexico, cima mexico
al mundo » el mundo, al mondo, del mundo