Only words with 2 or more characters are accepted
Max 200 chars total
Space is used to split words, "" can be used to search for a whole string (not indexed search then)
AND, OR and NOT are prefix words, overruling the default operator
+/|/- equals AND, OR and NOT as operators.
All search words are converted to lowercase.
From 20 to 23 February hundreds of decision-makers and experts from the construction industry met at the Sauerland Stern Hotel in Willingen for one of the most important seminar and networking events of the year.