I got This bonsai tree and it resentley lost a lot of leaves and it not these spots, it is not well, how can I it? Can I spray it with somthing? I do not know what kind of plant it is, I bought it in Vietnam last summer. Mayby some of got an idear. I have now remove alle af the leaves that fell off. It was outside in Vietnam, but I have kept it indoor the past year.