一句很费解的英语句型，有错误吗？

没有错误。你把这句话拆开来，其实就是两句话，中间用and连接。

The world we live in is a hectic and chaotic place ,often seemingly random and without order,

and

for many of us,the only way to have some semblance of control over our lives is to schedule and plan our days away.
这两句话主谓宾都齐全，还有其它如状语之类的成分。