"有成功的希望" can be translated into English as "there is hope for success" or "there's a chance of success".
Both expressions convey the idea that there is a possibility or likelihood of achieving success. Here are a few more variations for reference:
"Success is within reach." (成功触手可及。)
"There is a prospect of success." (有成功的可能性。)
"We have a good chance of succeeding." (我们有很大的成功机会。)
Choose the one that best fits the context and tone you want to convey.