Perhaps you should try some spelling variations:
communication time » communications time, communication three, communication team
site development » sme development, mine development, estate development
information 1.2 » information 1.5.2, information 2
technologies 4 » technologies _
4 information » 2 information, 1 information
time site » time since, time state, time time

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 4 information 1.2 ((rq 1) OR (rq 2)) communication time site development _ african.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1.2 ((rq 1) OR (rq 2)) communication time site development _ african.*.