Perhaps you should try some spelling variations:
trough communication » through communication, thought communication, touch communication
development chapter » development center, development case
models development » model development, module development, model developments
prices trough » price through, voices through, practices through
technology e » technology 1, technology 3, technology 4
relations do » relations du, relations das, relations der
costs models » cost models, cost model, potts models
e relations » 3 relations, 1 relations, des relations
chapter one » chapter four

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• Adding a wildcard symbol may retrieve word variants: technology e relations do prices trough communication costs models development chapter one.*.