yeah i had such experiences where i'd think of someoe and they'd call the next minute... happened several times

but i say there's no coincidences, to call it that i think is like calling medicine "magic" back 2000 years ago... when we don't understand how these laws work we tend to call things magic, miracles, coincidences...
we should be aware that we are mental being as much as physical beings... we work through our thoughts as much as through our bodies (maybe even more),
and for example when we THINK of someone, that thought is out there and that someone may detect it with his/her thoughts and decide to call you or whatever. ...
or you make an intention to walk down a particular road and your friend thinks of walking down same road, both thoughts are out there in the energy field. you ask yourself, why did you decide to go down THAT road, where did that thought come from? perhaps you're just detecting a thought produced by your friend, he/she decided to go there first... and that's how you meet, and you think, oh what a coincidence... but it's not really.
we are all connected on that level, through thoughts. and they manifest themselves.
even events, situations, conversations... they all first start with thoughts, and we detect them, perhaps that's why we're somehow drawn to them... happened to me quite a lot, i'd randomly think of something, but it'd be a subtle thought, just passes through the mind... later i'd be in a conversation and i hear them say something that's really the answer i was looking for or something... or i'd end up in a situation where things play out in my favour, it's like i was supposed to be there, like i was supposed to hear/see something... and i'd think, hmm, i was just thinking about this, what a coincidence... but it wasn't of course, i just didn't understand how it all works.
and i'd say those are laws set, we're transmitters and detectors of thoughts produced.
i'm still researvhing thoughts and their power, they'ver very subtle, interesting, complicated.
it's really an amazing system once you look at it from a certain prespective... you see the power and magnificence of God and how He can create it like it is.