Perhaps you should try some spelling variations:
union's development » union development, nations development, china's development
communication mode » communication model, communication modes, communication module
development series » development services, development agencies, development strategies
der communication » de communication, under communication, debt communication
formulation et » formulation des, formulation _, formulation 3
series price » services price, series praise, series preface
20 der » 2.0 der, g20 der, 10 der
et 20 » et 2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formulation et 20 der communication mode union's development series price.*.