final Map<String, String[]> conditions = getConditions();
        return !isEmptyArray(conditions.get(AS_Q))//
                || !isEmptyArray(conditions.get(AS_EPQ))//
                || !isEmptyArray(conditions.get(AS_OQ))//
                || !isEmptyArray(conditions.get(AS_NQ))//
                || !isEmptyArray(conditions.get(AS_TIMESTAMP))//
                || !isEmptyArray(conditions.get(AS_SITESEARCH))//

					suffix="errors.front_suffix"
				/>
			</div>
			<div class="mb-3 row">
				<label for="as_q" class="col-lg-3 col-md-4 col-sm-5 col-12 col-form-label"><la:message
						key="labels.advance_search_must_queries"
					/></label>
				<div class="col-lg-5 col-md-8 col-sm-7 col-6">
					<input class="form-control" type="text" id="as_q" name="as.q" value="${f:h(fe:join(as.q))}">
				</div>
			</div>
			<div class="mb-3 row">

					suffix="errors.front_suffix"
				/>
			</div>
			<div class="mb-3 row">
				<label for="as_q" class="col-lg-3 col-md-4 col-sm-5 col-12 col-form-label"><la:message
						key="labels.advance_search_must_queries"
					/></label>
				<div class="col-lg-5 col-md-8 col-sm-7 col-6">
					<input class="form-control" type="text" id="as_q" name="as.q" value="${f:h(fe:join(as.q))}">
				</div>
			</div>
			<div class="mb-3 row">

                .of(stream -> stream.filter(this::isOccurrence).findFirst().ifPresent(q -> queryBuf.insert(0, q + ":")));

        stream(conditions.get(SearchRequestParams.AS_Q))
                .of(stream -> stream.filter(q -> StringUtil.isNotBlank(q) && q.length() <= maxQueryLength)
                        .forEach(q -> queryBuf.append(' ').append(q)));