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China |
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"United States" |
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United States (is the same as United and States) |
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china textiles (will find both words but not necessarily together) |
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China or Bolivia (you can use "|" instead of "or" if you prefer) |
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China and Bolivia (you can use "&" instead of "and" if you prefer) |
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"United States" and Japan |
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(Japan or Bolivia) and "United States" |