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Investigation of Google's search method< Investigation 1 >[ Input contents 1 ]KW1 KW2 OR KW3 [ Search Results 1 ] There is a search result which has KW1 and KW2 and KW3. There is a search result which has no KW2 only in KW1 and KW3. There is a search result which has no KW3 only in KW1 and KW2. [ Input contents 2 ] KW1 and KW2 OR KW3 [ Search Results 2 ] Search results are different from "KW1 KW2 OR KW3" which is input contents 1 of the above. < Investigation 2 >[ Input contents 3 ]KW4 KW5 KW6 OR KW7 [ Search Results 3 ] There is a search result which has KW4 and KW5 and KW6 and KW7. There is a search result which has no KW7 only in KW4 and KW5 and KW6. There is a search result which has no KW6 only in KW4 and KW5 and KW7. |
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