Perhaps you should try some spelling variations:
"middle yeast culture" » "middle yeast cultures", "middle art culture", "middle et culture", "middle east culture", "middle last culture", "middle beas culture"
"middle years culture" » "middle years cultural", "middle yeasts culture", "middle years future", "middle ear culture", "middle east culture", "middle class culture"

Try widening your search to All Fields.

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: "((\"middle yeast culture\") OR (\"middle years culture\"))".
• Removing quotes may allow a broader search: (( middle yeast culture ) OR ( middle years culture )).
• Adding a wildcard symbol may retrieve word variants: (("middle yeast culture") OR ("middle years culture"))*.