Click the scroll icon in the bottom left and than "events log".
For Bernard sickness, if the in game guide is not enough, this could help
BARESHADE | T | GENERAL STORE – ENTER/LEAVE THE SHOP | O | SHOOPKEEPER’S MYSTERIUS SICKNESS | Day 15 | BS01 | |
HOME | NOTES | O | Learn Spectral syrup | SHOOPKEEPER’S MYSTERIUS SICKNESS | BS02 | ||
HOME | NOTES | T | Heat occisia riddle | Learn Spectral syrup | BS03A | ||
RUINS | VISIT THE SHRINE - TALK WITH THE PRIESTES– CONVERSATION | T | Ask about Heat occisia | Learn Spectral syrup | BS03B | ||
BARESHADE | GENERAL STORE | O | Give medicine | Resolve Heat occisia riddle or Ask about Heat occisia; Spectral syrup | BS04 | ||
BARESHADE | GENERAL STORE | O | CHECK THE PATIENT | Give medicine; Wait 1 Day | BS05 |
Heat Occisia | Angel Leaf | Pulp (Red) |
Spectral Syrup | Pulp (Blue) | Heat Occisia | Pulp (Red) | Heat Occisia | Pulp (Blue) |
For the lizard tribe event I need more information about where you're stuck, but the ingame guide should be enough.