it is very easily to rank. google even rank my another page for that keywords. just because my keywork appear in content. but i can not find the page that i want to rank has keyword in titile and h1 with some good backlinks. it seem google panlty the page.
It also depends on the competition for those keywords you want to rank for. If alot of other site have those keywords - and links form high ranking site with those keyword pointing to them, then it will be difficult. You could of course check keyword difficulty here: . Then get more good backlinks with the keyword on the link to point to your site.