Perhaps you should try some spelling variations:
bridge models » sludge models, bridge moulds, bridge panels
urban bridge » green bridge, urban big, urban edge
dissolving a » solving a
models case » model case, models based
uses urban » buses urban, use urban, urs urban
lang yan » wang yan, wang yang, zhang yan
yang yi » yang xi, yang jui
ng uses » end uses, new uses

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: ((((lang yan) OR (yang yi))) OR (yang di))ng uses urban bridge models case dissolving a ;~.
• Adding a wildcard symbol may retrieve word variants: ((((lang yan) or (yang yi))) or (yang di))ng uses urban bridge models case dissolving a ;*.