Again, don't try to place your stuffs more than the closet capacity. When it can't fill more stuffs than it must be, transfer some or half stuffs from your room. Do not try to put your stuffs above, beside or under closet. Make sure to set and save yourself them in available holes. That's why modern double sink bathroom vanities is needed to do to create everything better.
Just how to organize it. Only be rid any untouched stuffs from your closet. If the size is also small, you've to choose which can be exist stuffs and which should be eliminated. Also, make sure that the cabinet has the similar shade of your room design, or at least it's exactly the same color tones.