"Everest Base Camp Trek" is a keyword that every travel and trekking agency of Nepal wants to focus. However, it seems little bit challenging to SEO experts to focus in keyword "Everest Base Camp Trek" in Nepal. By the way, SEO has been becoming more difficult day by day. In earlier, SEO is too easier. As you made lots of backlinks, then your site used to show in very first page in several keywords. But now, time has changed; there are trillions more information in the internet. So Google always considers to show best information to the searchers. And focusing keyword is a very most important factor of SEO.
Being a SEO counselor, I have analyzed several keywords that a trekking and tour agency of Nepal wants to focus in internet. However, they even do not know SEO is consistent work. It could not be done within a week or a single month. In fact, it may take 3 - 4 months or number of months too and that only depends on keyword status, keyword competition, and also suggested bid on a particular keyword. But I can assure you that your site status goes high within first month as you start to do SEO.
In average, 12 thousand people search Everest Base Camp each month. Actually, it is not the huge amount of query, whereas there are 1500 - 25000 approx. sites which have written about Everest Base Camp focusing on the keyword "Everest Base Camp Trek". So those SEO experts, who are working to bring their site in between 1 - 10 page of Google while searching "Everest Base Camp Trek". Then they must perceive a thing in his mind is that competition is too hard. Therefore, they must provide a good and authenticate information about Everest Base Camp along with updated information, such as recent events, news etc. In addition, you do have to list out some extra information instead of writing in paragraph. Just apply an exam writing format to write article about Everest Base Camp, such as use 3 - 4 paragraphs of good worth amount of words, use listing information in points, show some quotations using quotation tag etc.
Eventually, let it be known that Everest Base Camp Trek keyword is little bit challenging to bring in search engines front pages. However, I am not saying impossible. Just do handwork and uplift your business.