ALREADY KNOWN STRATEGIES TO FIND KEYWORDS
GOOGLE RELATED SEARCHES
Just to have an idea about the meaning of “Latent Semantic Indexing Keywords” you can imagine some old and well known strategies to expand your keywords list. Search engines like Google in example suggest others keywords related to your query at the bottom of the page (the so called “related searches”).
AUTOCOMPLETE SEARCHES
Another old strategy to get secondary keywords in some way related to your main keyword is based on the Google search field. When you type one or more words in the search field then some automatic suggestions (also named “autocomplete function”) will appear to optimize the results to the user.
ADWORDS KEYWORDS PLANNER
Finally a free but almost obsolete method is to expand your list of keywords thanks the Google Adwords web tool (the so called “Keyword Planner”). Please note that those statistical results are related mainly to the investment by the advertisers rather than the normal Google searches by private users.