Perhaps you should try some spelling variations:
developing colonies » developing economies, developing policies, developing countries
oral communication » personal communication
technology heimat » technology eimt, technology human, technology help
heimat nationale » et nationale, heimat tatiana, seblat national
colonies africa » colonial africa, economics africa, colonial america
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
nationale und » nationalen und, nationale de, nationale et
car oral » care moral
und car » und care, und carl, und cara

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

• Adding a wildcard symbol may retrieve word variants: technology heimat nationale und car oral communication costs 4.2 developing colonies africa.*.