Perhaps you should try some spelling variations:
cropping patterns » cropping pattern, changing patterns, evolving patterns
drinking patterns » finding patterns, changing patterns, firing patterns
healthy drinking » health drinking, healthy thinking, heavy drinking
health cropping » health coping, health creating, health closing
oecd healthy » old healthy, oecd wealth, der healthy

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: (( oecd health cropping patterns ) OR ( oecd healthy drinking patterns )).
• Adding a wildcard symbol may retrieve word variants: (( oecd health cropping patterns ) or ( oecd healthy drinking patterns ))*.