Perhaps you should try some spelling variations:
"oecd healthy drinking patterns" » "oecd healthy finding patterns", "oecd healthy changing patterns", "oecd healthy firing patterns", "oecd health drinking patterns", "oecd healthy thinking patterns", "oecd heavy drinking patterns", "oecd wealth drinking patterns", "der healthy drinking patterns"
"old healthy cropping pattern" » "old healthy coping pattern", "old healthy coding pattern", "old healthy cooking pattern", "old healthy changing pattern", "sold healthy cropping pattern"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"oecd healthy drinking patterns\") OR (\"old healthy cropping pattern\"))".
• Removing quotes may allow a broader search: (( oecd healthy drinking patterns ) OR ( old healthy cropping pattern )).
• Adding a wildcard symbol may retrieve word variants: (("oecd healthy drinking patterns") OR ("old healthy cropping pattern"))*.