Umm, a little bit different 설탕 조금만 넣어 주세요 Plz put little sugar. 설탕 조금만 주세요 plz give me little sugar. .former one you can say it in a restaurant or ask something containing sugar. and later one is directly meaning give me sugar, not other forms. Well but even if you confused them, those all have a meaning that you want little sugar, so maybe the opponent will understand what you want^^ Thanks!

yes you can