Perhaps you should try some spelling variations:
communication information » communication international, communication education
communication foundation » communication education, communication communication
methods session » methods section
du line » dual line, du livre, du lifei
d line » 2d line, 3d line, d ling

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication foundation) OR (communication information)) methods session ((du line) or (d line))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication foundation) OR (communication information)) methods session ((du line) OR (d line)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((communication foundation) OR (communication information)) methods session ((du line) or (d line))".
• Adding a wildcard symbol may retrieve word variants: ((communication foundation) OR (communication information)) methods session ((du line) or (d line))*.