Подставить слова a chance a possibility an opportunity в предложения.

You have more of catching the train if you take a bus to the station.
Help is still within the bounds of .

1)You have a chance catching the train if you take a bus to the station.

2)Help is an opportunity within the bounds of .

Также в первое предложение можно подставить  a possibility:

3)You have a possibility catching the train if you take a bus to the station.