Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
education documentation » information documentation
method design » methods design, methods designs
design exit » design exact, design et, design edited
libros » libro

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((education documentation) OR (communication documentation)) method design exit libros~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((education documentation) OR (communication documentation)) method design exit libros".
• Adding a wildcard symbol may retrieve word variants: ((education documentation) OR (communication documentation)) method design exit libros*.