Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
information pacto » information act, information part, information pack
ark information » bank information, pack information, lack information
technology ark » technology park, technology parks, technology a
4 development » 2 development, 4 developing
china afrique » china africa
pacto de » pactos de, pact de, punto de
de oral » de otras, new oral
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technology ark information pacto de oral communication cost 4 development china afrique.*.