ことだし => Because...so... N2
Cause, reason
~としたことが => ~ surprised N1
Surprised
ことなしに => without doing something N1
としたところで/としたって/にしたところで/にしたって => Even if; Even supposing that ~ N1
もうすこし => A little more (level) N4
Compare
もうすこし => A little more (Quantity only) N4
Add
...ことをとおして => through; via; throughout; by ~ N2
Go through, go through
ことにする/ことにしている => to decide on/have a habit N3
ことなしには => Without doing A, B N1
Conditional, While
~たいしたことはない => trivial,not amounting to much N1
Emphasize the negative meaning
ここ/そこ/あそこ/こちら/そちら/あちら => here / there / over there N5
Spatial relations
に[越「こ」]したことはない => It's better if A, it's better if it's A N1
Comparison/ Exchange