Perhaps you should try some spelling variations:
documentary forms » documentary form, documentary films, documentary film
document formats » document format, document form, documents formal
documents forms » documents formal, document form, documents from
precision a » precision _
a penang » _ penang, a penny

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

• Performing a fuzzy search may retrieve terms with similar spellings: information ((((documents forms) or (document formats))) or (documentary forms)) precision a penang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information ((((documents forms) OR (document formats))) OR (documentary forms)) precision a penang.
• Adding a wildcard symbol may retrieve word variants: information ((((documents forms) or (document formats))) or (documentary forms)) precision a penang*.