Perhaps you should try some spelling variations:
international documentation » international cooperation, international communication, international convention
information documentation » information presentation, information documents, information representation
problems functions » problems fiction, process functions, problems directions
functions ex » functions e, functions e.l, functions esf
ex livres » de livres, ex libris, sex lives

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((information documentation) OR (international documentation)) problems functions ex livres~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((information documentation) OR (international documentation)) problems functions ex livres".
• Adding a wildcard symbol may retrieve word variants: ((information documentation) OR (international documentation)) problems functions ex livres*.