Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
education documentation » information documentation
methods session » methods section
session data » session du, session 2a, session 3a
data lines » data links, date lines, data line

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)) methods session data lines~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((education documentation) OR (communication documentation)) methods session data lines.
• Adding a wildcard symbol may retrieve word variants: ((education documentation) or (communication documentation)) methods session data lines*.