As with many PES 2009 achievements, the description tells you almost nothing.
To unlock this achievement you must score at least one goal in 10 consecutive matches and average at least two goals per match (ie 20 goals or more at the end of a run of 10 games in which you have scored in every one).
Also, you cannot unlock this until you have played at least 20 matches so there is no point in even trying for it until you start your eleventh game.
In terms of making this easier to achieve, the obvious solutions are to set the game to easy or beginner and/or make your matches longer to maximise your chances of scoring in each one.