Line Chart not displaying all series

Hi,
Hoping someone who is really good with charts can look at my worksheet and give me a couple of examples of what I could do with it with respect to charts. I can do simple ones but when the data increases I get lost. The attached line chart for example only shows two lines but there is clearly 4 in the legend. The point isn't to get someone to do this for me but show me what can be done. Hopefully once I have a better grasp it won't be such a struggle in the future. I've been all over the web and I am just getting nowhere. Clarity would be so much appreciated. Thanks in advance.

title updated, thanks,

When you selected your data range, you selected only D3:E34 (pph)
You should have selected the four columns: D3:G34 for your data source range (pph & hrs)