Perhaps you should try some spelling variations:
frontier conservation » frontier cooperation, transfrontier conservation, water conservation
die developpement » de developpement, le developpement, du developpement
conservation des » conservation de, conservation areas, conservation area
communication 3 » communication _, communication a
one mobile » more mobile, kong mobile, open mobile
des one » does one, das one, des onc
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technology frontier conservation des one mobile communication 3 die developpement _ america.*.