find Items By subject or body soap

searchInboxBySubject.xml

<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Header>
        <t:RequestServerVersion Version="Exchange2010" />
    </soap:Header>
    <soap:Body>
        <m:FindItem Traversal="Shallow">
            <m:ItemShape>
                <t:BaseShape>IdOnly</t:BaseShape>
                <t:AdditionalProperties>
                    <t:FieldURI FieldURI="item:Subject" />
                    <t:FieldURI FieldURI="item:DateTimeReceived" />
                </t:AdditionalProperties>
            </m:ItemShape>
            <m:IndexedPageItemView MaxEntriesReturned="50" Offset="0" BasePoint="Beginning" />
            <m:Restriction>
                <t:Or>
                    <t:Contains ContainmentMode="Substring" ContainmentComparison="IgnoreCase">
                        <t:FieldURI FieldURI="item:Subject" />
                        <t:Constant Value="Test" />
                    </t:Contains>
                    <t:Contains ContainmentMode="Substring" ContainmentComparison="IgnoreCase">
                        <t:FieldURI FieldURI="item:Body" />
                        <t:Constant Value="homecoming" />
                    </t:Contains>
                </t:Or>
            </m:Restriction>
            <m:SortOrder>
                <t:FieldOrder Order="Descending">
                    <t:FieldURI FieldURI="item:DateTimeReceived" />
                </t:FieldOrder>
            </m:SortOrder>
            <m:ParentFolderIds>
                <t:DistinguishedFolderId Id="inbox" />
            </m:ParentFolderIds>
        </m:FindItem>
    </soap:Body>
</soap:Envelope>

http://msdn.microsoft.com/en-us/library/office/dd633693(v=exchg.80).aspx