Search engines are programs that use keywords to search a database to find information. If you are on a career website, you don't have to be as specific, but if you are using an Internet search engine, you need to be pretty specific to get good results from your search.
For instance, if I am looking for a position as a phlebotomist, I might just enter the term phlebotomist into an internet search engine. When I press the enter button on my keyboard, the search engine displays all public websites that contain the word phlebotomist, not just the ones related to my job search. Search engines will show millions of hits, or results, so they must be narrowed down.
To narrow your results to more relevant posts, be more specific. For instance, you could search phlebotomist position hiring to eliminate results like movies and retail stores. You could go on to add the location - phlebotomist position hiring Kentucky - to find any positions in a particular area.
Another helpful tip is to put quotes around words if you want them to be searched as a phrase. For example, if you search for entry level "Pharmacy Technicians" St. Louis Missouri, the results will be much more specific. Of course, you will want to make sure that you search for any other words or titles that might be used to describe that position.