1 )Edward worked hard so (that) he could succeed.
2) Edward worked hard in order (that) he could succeed.
3) He is such an idiot (that) nobody would hire him.
4) He spoke so quicky (that) I couldn't understand her.
That is, "that" can be removed in some forms, and be implicit when using 'so that'. Can we apply that style to 'in order that', such....that, so....that also?