Perhaps you should try some spelling variations:
communication documentation » communication foundation, communication communication, communication conversation
documentation basic » documentation basics, documentation based, documentation asia
basic dimensional » basic dimensions, bai dimensional, bi dimensional
dimensional relay » dimensional real, dimensional role, dimensional display

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication documentation basic dimensional relay ((line* or link*) or like*)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication documentation basic dimensional relay ((line* OR link*) OR like*).
• Adding a wildcard symbol may retrieve word variants: communication documentation basic dimensional relay ((line* or link*) or like*)*.