Perhaps you should try some spelling variations:
land development » world development, child development
technology sog » technology soc, technology some, technology set
relative food » operative food, relative role, relative crop
sog relative » does relative, same relative, _ relative
prices mass » prices cases, price pass, prices causes
costs land » cost land, costly land, costs canada
china data » china update, chinese data

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

• Adding a wildcard symbol may retrieve word variants: technology sog relative food prices mass communication costs land development china data.*.