there is one keyword for I am optimizing my site "getting pregnant" very heavy search volume per month with post fix "fast" ( now its "getting pregnant fast" ) search volume goes half , still heavy. I want to bring excellent SERP for both condition yet, I choose with post fix "fast" first as it was easy to gain #1 some days before site is improving for both simultaneously e.g. I was on 2nd page(19th position) with post fix "fast" and without It was on 8th page Last week I tried harder( made tons of links) and site went to 11th position with post fix "fast" but now I see site is invisible with out fast completely . I am scared. I am wondering if this is temporary ? though,one inner page is still appearing on 16th page with out "fast" may it possible any link I get last week hurt my site for one keyword whereas, it helps to improve for another. ? I've used keyword "getting pregnant fast" to gain links as I think it works for both and it was working some days before.
Don't be scared. Your site is invisible for "getting pregnant", this is temporary so don't worry just gain some links for both anchor text "Getting pregnant fast" and "Getting pregnant" then just focus on "Getting pregnant fast" anchor its work for both keywords.