Perhaps you should try some spelling variations:
documentation comments » documentation current, documentation centres, documentation center
documentation control » documentation centres, documentation center, instrumentation control
dimension free » dimension three, dimension from, dimension area
free along » trees along, free cloning, vriese along

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

• Performing a fuzzy search may retrieve terms with similar spellings: information ((documentation comments) or (documentation control)) dimension free along~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information ((documentation comments) OR (documentation control)) dimension free along.
• Adding a wildcard symbol may retrieve word variants: information ((documentation comments) or (documentation control)) dimension free along*.