In-ear headphones suggestions? (earbuds)?

Ok, so in the past year I ve bought at least 4 pairs of headphones that just… Sucked. Once you get spoiled by good earphones and good quality sound, there s no going back.
All the headphones I buy either have Really bad sound or fall out of my ear (I only want earbuds because others just can t deliver proper bass).
Another question - I googled and learned everything about specs for earphones/headphones and even though I bought earphones with Really good specs… They sucked. Again.
Why is it so hard to find good quality earphones without paying 300$?
I once got earphones in the box with my Nokia Lumia 925, and they were absolutely perfect. I tried searching online for the same ones but I couldn t find them.

If someone could give me suggestions for some earphones? Please, this is getting really annoying.

thanks!

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