How many actual words can you make using the combination which you've searched for?On this page of words containing 'ch' and ending with 'po', you have only 1 entry that is available.
What's the highest number of points you could get in Scrabble from this list of words that contain 'ch' and end in 'po'?With 1 combination available, your only feasible word is 'cheapo' which scores 13 points.