U didn't post pics we can't see ur team..
Do/don't: keep ur squad fit and with good morale for all games, don't overtrain or play too many friendlies.
Know some tricks about formations, like if the guy has amc you play dmc or 3 dc if he has no wingers ect.. Be flexible, even changing formations during game if u see its not working out superbly...
Be a ninja on the transfer market, grab good quality young players as much as u can..
Watch ur games as often as u can, makes a huge difference
And many other stuff lol.. Read the guides on here they r pretty helpful
Good luck