常じょう識しきの範はん囲い内ない

• 常じょう識しき

  常識 means 'common sense' as a general concept, while 常識の範囲内 specifically refers to something being within the limits of that common sense.

• 範はん囲い内ない

  範囲内 means 'within the range/scope' and can be used with other nouns, whereas 常識の範囲内 is a fixed phrase.

Compound of 常識 (common sense) + の (possessive particle) + 範囲内 (within the range). The phrase is a straightforward combination of its parts.