Perhaps you should try some spelling variations:
"technology political aspects studies africa" » "technology policy aspects studies africa", "technology policies aspects studies africa", "technology political aspects studied africa", "technology political prospects studies africa", "technology political aspects studying africa"
"technology optical aspects south africa" » "technology critical aspects south africa", "technology tactical aspects south africa", "technology ethical aspects south africa", "technology optical aspects study africa"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("technology optical aspects south africa") OR ("technology political aspects studies africa"))*.
• Removing quotes may allow a broader search: (( technology optical aspects south africa ) or ( technology political aspects studies africa ))*.