I don't know if you want like an in depth commentary on it or not , but I'll give my thoughts.
Transports are over coated unless you are spamming them out specifically and with a character like guilliman for rerolls.
Wg terminators with cyclones are too expensive for what they do. And often force you to move and shoot with heavies to get them into range.
There's not really a point to mixing missiles and las. Just bring all las for anti tank and use something else for anti infantry.
Sadly I find our basic troops to not really be effective at anything. Our elites are going to carry us I think, until we get a codex.
Wg on bikes or with jumpacks and storm bolter are great at clearing hordes.
It looks like you struggled with the tough
de monsters once they hit your lines. Specifically when they hit your long fangs and basically shut them down by forcing the fall back. I believe situations like that could be solved by A: chaff screens of say some fenrisian wolves and B: a hard hitting assault unit, for example a ven dread with axe and shield.
Just my two cents

. Could be off by a mile but hats kind of what I've been seeing with my games. Anti horde and some strong
cc combined with some chaff has been a good recipe.