が何かありますか

Is there anything ...?; Do you have anything ...?

→ が
phrase Rare #29,214
Is there anything ...?; Do you have anything ...? Follows a noun or phrase to ask whether anything of that kind or related to it exists or is available. The exact wording is context-dependent.
JA: この謎を解く手がかりが何かありますか?
EN: Do you have any clues that could help solve this mystery?

君の欲しいもので、君の持っていないものが何かありますか。

Is there anything you want that you don't have?

私にできる事が何かありますか?

Is there anything I can do?

この謎を解く手がかりが何かありますか?

Do you have any clues that could help solve this mystery?

その計画に代わるものが何かありますか。

Is there an alternative to that plan?

夏休みの計画が何かありますか。

Do you have any plans for summer vacation?

私にできることが何かありますか。

Is there anything I can do?

来週の計画が何かありますか。

Do you have any plans for next week?