Perhaps you should try some spelling variations:
investment demands » investment demand, investment funds, investment trends
related investment » private investment, estate investment, road investment
investment does » investment data, investment assets, investment across
diet related » ict related, iot related, list related
direct » directly

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. diet related investment does ) OR ( h. rent direct investment demands ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. diet related investment does ) or ( h. rent direct investment demands ))*.