Perhaps you should try some spelling variations:
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
3.2 development » 1 development, mena development
development can » development case, development co, development canada
technologie 2 » technologies 2, technologie c, technologie 3
can africa » urban africa
cost 3.2 » cost 2.4
ii 2 » iii 2, ii _, ii 1
i 2 » iv 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologie 2 information ((i 2) OR (ii 2)) oral communication cost 3.2 development can africa.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie 2 information ((i 2) OR (ii 2)) oral communication cost 3.2 development can africa.".
• Adding a wildcard symbol may retrieve word variants: technologie 2 information ((i 2) OR (ii 2)) oral communication cost 3.2 development can africa.*.