Perhaps you should try some spelling variations:
international documentation » international cooperation, international communication, international convention
documentation congresses » fermentation congresses
dimension channel » dimensional channel, diversion channel, dimension chapter
dimension change » dimensional change, dimensional changes, dimension chapter

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

• Performing a fuzzy search may retrieve terms with similar spellings: international documentation congresses ((dimension change) OR (dimension channel)) over~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "international documentation congresses ((dimension change) OR (dimension channel)) over".
• Adding a wildcard symbol may retrieve word variants: international documentation congresses ((dimension change) OR (dimension channel)) over*.