Perhaps you should try some spelling variations:
international documentation » international cooperation, international communication, international convention
information documentation » information presentation, information documents, information representation
control functions » control foundations, control options, control section
functions ex » functions e, functions e.l, functions esf
ex libri » ex libris

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)) control functions ex libri~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((information documentation) OR (international documentation)) control functions ex libri".
• Adding a wildcard symbol may retrieve word variants: ((information documentation) OR (international documentation)) control functions ex libri*.