Perhaps you should try some spelling variations:
models development » model development, module development, model developments
data communication » data communications
relations wider » relations under, relations der, relations after
technology 1 » technology _
costs models » cost models, cost model, potts models
1 relations » 3 relations, a relations, 1.2 relations
ozone data » phone data
des. » does.

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations wider ozone data communication costs models development china des.*.