Should I give up such product if I couldn't find 10 good keywords in one thousand? You know I need to analyse several thousands keyword phrases to find one thousand. That frustrates me. I could find several useful keyword phrases in one hundred before. Please tell me what shall I do?
I don't exactly get your question .. However, when doing keyword research there's a lot of things to consider -- Here's a great resource that might help - http://www.wordstream.com/keyword-research Al.