Perhaps you should try some spelling variations:
communication conversation » communication information, communication cohesion, communication communication
conversation post » conversation part, conversation poetry, conversation about
post dimension » poset dimension, lost dimension, soft dimension
living linux » live linux, living light, living like
using linux » using line, using link, running linux

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversation post dimension ((living linux) or (using linux))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversation post dimension ((living linux) OR (using linux)).
• Adding a wildcard symbol may retrieve word variants: communication conversation post dimension ((living linux) or (using linux))*.