How does google see " - " in keywords?

I a not sure i can explain this properly.
Example:
I am trying to rank for "Samsung HMX-QF30BPEDC" which is basically a keyword from 2 words: "Samsung" and "HMX-QF30BPEDC". When i put this keyword in my wordpress post title, the permalink will look like: mydomain.com/samsung-hmx-qf30bpedc. I need to know how google handle this. I know google gives a great importance for url keyword, but i think he breaks my keyword in a different keyword if wordpress inserts that line in permalink. So, a visitor searches ""Samsung HMX-QF30BPEDC", which google will understand as "Samsung HMXQF30BPEDC". But according to my website url, my keywords are "Samsung HMX QF30BPEDC", which is entirely different from what user is searching for, and what i am ranking for.

The big question: am i right ???

"Samsung HMX QF30BPEDC " and " Samsung HMX-QF30BPEDC " are same in eye of google . Here is the proof Blackhatworld.com is ranking #1 on the keyword "Samsung HMX QF30BPEDC " and " Samsung HMX-QF30BPEDC" .