Perhaps you should try some spelling variations:
information documentation » international documentation, information presentation, information documents
documentation periodicals » polymerization periodicals, communication periodicals, conservation periodicals
periodicals decisions » medical decisions, personal decisions, periodical design
decisions net » decisions get, decisions eat, decisions now

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 periodicals decisions net (openg* or gopeng*)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documentation periodicals decisions net (openg* OR gopeng*).
• Adding a wildcard symbol may retrieve word variants: information documentation periodicals decisions net (openg* or gopeng*)*.