You may separate words with "+" to signify an "and" in the search.
Ex. "Electrostatic+Precipitators" and (coal and gas)
The above example first searches all indexed pages and finds those containing both the word "coal" and "gas" then searches that result for the phrase "Electrostatic Precipitators" before returning the results.
After entering your keywords, click the "Search" button to view your results.
