Perhaps you should try some spelling variations:
oral communication » personal communication
developing areas » developing asia, developing east, developing a
technologies 1 » technologies _, technologies 4, technologies 2
channels key » channels new, channels _, channels 4
1 informal » _ informal, 3 informal, 8 informal
areas area » areas arenas, areas aida, areas africa
key oral » key brac, why oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 1 informal channels key oral communication costs _ developing areas area.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 informal channels key oral communication costs _ developing areas area.*.