Perhaps you should try some spelling variations:
information documentation » international documentation, information presentation, information documents
documentation inventory » documentation center
inventory decision » inventory decisions, inventors decision, investor decision
gate head » gaze head, waste head, care head
gate held » gate field, hate help

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 inventory decision ((gate head) OR (gate held))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information documentation inventory decision ((gate head) OR (gate held))".
• Adding a wildcard symbol may retrieve word variants: information documentation inventory decision ((gate head) OR (gate held))*.