It is not difficult to connect two hoses for the purpose of getting water to a location further away than one hose will reach. You can connect as many garden hoses as necessary to reach your destination. You can repeat this process as many times as necessary to reach your destination. (You will lose some water pressure for each foot of hose you attach).
Find the "female" end of the hose. The female end is the end that attaches to the water source (the faucet).
Find the "male" end of the hose. That is the end that does not attach to the faucet and is used to fasten to "accessories" such as sprinklers or sprayers.
Make sure there is a rubber "gasket" in the female end of the garden hose. If you do not have one, you can buy one for about 10 cents at any hardware store. There should be one in the hose, as it is also necessary when attaching the hose to the faucet.
Screw the male end of one hose into the female end of the other hose. Once the hoses are securely attached to each other, with the gasket properly inserted, you can connect your hose to the faucet and turn it on.
If the hoses leak at the connection to the faucet, or at the connection where the two hoses are connected together, check to make sure the gasket is inserted correctly. It should be flat inside the female end of the hose.