She may response you less positive than you expected, which do not suggest that she is not interested in you. She may test you to find out how much you want her. Therefore if you really interested in her, be patient and do not give up too quick. If she is angry with you, she may not shout at you or tell the reason directly. Do not feel frustrated about it.
Asian ladies show their feelings in a indirect way.
She would give your time to understand her by your time being together. If you understand her more and more without she tell you all the time, it means that you love her and care about her more and more. Although sex is an important part of love, most of ladies want to feel that you love her first before you love her body. Since there may be a cultural differences between you and her, do not think she is unreasonable too quick. It may caused by cultural issues.