The wonderful thing about the Bitcoin and derivative currencies is: everything is third-party auditable by design. To track your coins down, look up the destination address on a reliable Block Explorer, like Blockchain explorer . If the coins were indeed transacted, it will show up on those wallet addresses' histories. 


Note:

Some service provider require some number of confirmation before your transaction will show on your wallet or account.

it takes roughly 3 seconds or less for your incoming/outgoing balances to show on your Wallet.

Transaction might not display on the blockchain due to unconfirmed parent transaction.