可能な限り

かのうなかぎり

expression, adverb

•

as much as possible, as far as possible, whenever possible, if (at all) possible

可	can, passable, mustn't, should not, do not
能	ability, talent, skill, capacity
限	limit, restrict, to best of ability

かのうかぎ

はや

、

かあ

でんわ

You should call your mother as soon as possible

かのうかぎ

しゅだん

こう

Take every possible means