Perhaps you should try some spelling variations:
notes investment » does investment, rates investment, forest investment
investment ties » investment series, investment trends, investment trust
diet related » ict related, list related, budget related
iot related » ict related, inst related, list related
deep notes » deep node

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. ((diet related) OR (iot related)) investment ties ) or ( h. deep notes investment costs ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((diet related) OR (iot related)) investment ties ) OR ( h. deep notes investment costs )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((diet related) OR (iot related)) investment ties ) or ( h. deep notes investment costs ))".
• Adding a wildcard symbol may retrieve word variants: (( h. ((diet related) OR (iot related)) investment ties ) or ( h. deep notes investment costs ))*.