Currently, Design By Humans don't offer any coupons and promo codes that can be used in conjunction with some other coupon code. Also, some of the promo codes are tied to a item or a certain section of products and won't work on other products. If you want, you can however combine a special promo offer which doesn't require any special code and then combine it with a regular promo code that can be used across the board lets say a 10% discount coupon and the like.
Design By Humans promo codes aren't listed on GetBestStuff. We only deal in coupons that can be used online on Design By Humans's official store..