Perhaps you should try some spelling variations:
communication documentary » communication documentation, communication boundary, communication secretary
documentary guide » documentary videos, documentary film, documentary evidence
guide revision » code revision
data involving » data evolving, adj involving, harm involving
revision data » precision data, vision data, decision data

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication documentary guide revision data involving~.
• Adding a wildcard symbol may retrieve word variants: communication documentary guide revision data involving*.