Talvez debería tentar con algunhas variantes ortográficas:
document formats » document format, document form, documents formal
documentary form » documentary forms, documentary film, documentary films
documents forms » documents formal, document form, documentary forms
precision a » precision _
a peng » ma peng, a penn, a penang

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 form)) precision a peng~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information ((((documents forms) OR (document formats))) OR (documentary form)) precision a peng.
• Adding a wildcard symbol may retrieve word variants: information ((((documents forms) or (document formats))) or (documentary form)) precision a peng*.