redeyeshev In my opinion text which is inside quotes (example: "ring") should only return exact words. It should also work with sentences (example: "golden ring").
In addition it would be a really great feature if you could combine words with AND (example: mom AND dad, which shows all posts which have both mom and dad) and with OR (example: mom OR dad, which shows all posts which have mom or dad or both mentioned). This is how it usually works in other search systems.
Search system is one of the weakest points of this app, so it would be really great if Timo would invest some time on it. I know Timo is busy with other features, but many people have requested something similar, so I think it should go up on priority list.