Perhaps you should try some spelling variations:
sequence networkss » sequence network, sentence networks, frequency networks
historical studies » historical survey
sequence networks » frequency networks, sequential networks, influence networks
science works » science world, science parks, science workshop

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((sequence networkss) OR (science works))) OR (sequence networks)). historical studies.
• Adding a wildcard symbol may retrieve word variants: ((((sequence networkss) or (science works))) or (sequence networks)). historical studies*.