Perhaps you should try some spelling variations:
international documentation » international cooperation, international communication, international convention
information documentation » information presentation, information documents, information representation
objective functions » objective questions
functions du » functions d, functions dr, functions data
du livre » de livres, du louvre, de vivre

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)) objective functions du livre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((information documentation) OR (international documentation)) objective functions du livre.
• Adding a wildcard symbol may retrieve word variants: ((information documentation) or (international documentation)) objective functions du livre*.