Perhaps you should try some spelling variations:
oral communication » personal communication
information china » information coding, information can, information criminal
developing areas » developing asia, developing east, developing a
technologies 2 » technologies _, technologies 4
areas africa » arabs africa, dress africa, farmers africa
china does » china goes, china des, child does
does oral » does formal, does oil

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information china does oral communication costs _ developing areas africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information china does oral communication costs _ developing areas africa.*.