Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2.1 » technologies _, technologies 4, technologies a
developing micro » developing crop, developing mid, developing microsoft
2.1 information » 3.1 information
information 1.2 » information 1.5.2, information 2
gender oral » gender order
1.2 gender » 10.2 gender, 2.2 gender, 3.2 gender

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 1.2 gender oral communication costs _ developing micro africa.*.