Perhaps you should try some spelling variations:
preface information » preface informatics, private information, price information
technology preface » technology artefact, terminology preface, technology private
vos communications » vs communications, laos communications, do communications
communications a » communications _, communications law, communications media
de developpement » sme development
developpement il » developpement de, developpement et, developpement du
il afrique » l afrique, en afrique
about a » about _
a vos » a vis, a von, a vom
a de » a die, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology preface information about a vos communications a de developpement il afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology preface information about a vos communications a de developpement il afrique.*.