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.
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.