Perhaps you should try some spelling variations:
5.2 transformations » 4.2 transformations, 5.2 transformation, 6.2 transformations
oral communication » personal communication
transformations b » transformations _, transformations 1, transformations 3
technologies 5.2 » technologies 3.2, technologies 2.2, technologies 6.2
p developing » up developing, 3 developing, 4 developing
developing a » developing _
model oral » modern oral, novel oral
b model » b models, 3b model, tb model
costs p » costs pt, costs _, costs 4
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 5.2 transformations b model oral communication costs p developing a areas.*.