Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
variation series » education series, action series, edition series
die variation » de variation, does variation, der variation
theorie die » theorie der, theorie des, theorie ein
series new » services new, series e, series index
new china » how china, law china
a mena » a mensa, _ mena, a mega

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: "theorie die variation series new china communication ((a mena) OR (a meta)) development 1 africa.~".
• Adding a wildcard symbol may retrieve word variants: theorie die variation series new china communication ((a mena) OR (a meta)) development 1 africa.*.