Perhaps you should try some spelling variations:
coupling patterns » counting patterns, computing patterns, competing patterns
healthy coupling » healthy coping, healthy coding, healthy cooking
combing patterns » combine patterns, combining patterns, coding patterns
healthy combing » healthy coping, healthy coding, healthy cooking
oecd healthy » oecd health, old healthy, oecd wealth

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 healthy coupling patterns ) OR ( oecd healthy combing patterns )).
• Adding a wildcard symbol may retrieve word variants: (( oecd healthy coupling patterns ) or ( oecd healthy combing patterns ))*.