Perhaps you should try some spelling variations:
development citizens » development citizen, development cities, development childrens
technologies based » technologies used, technology based, technologies a
based instruction » radio instruction, assisted instruction
2 communications » 2 communication, 3 communications, 4 communications
instruction de » construction de, instruction set, instruction mdi
citizens a » citizens _, citizens 4, citizens 4.3
de does » der does, do does, one does
does 2 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies based instruction de does 2 communications _ human development citizens a.*.