Perhaps you should try some spelling variations:
vmware vsphere5 » vmware vsphere, vmware's vsphere, vmware vshpere
vmware mosphere » vmware vsphere, vmware's vsphere
vmware sphere » vmware vsphere, vmware's vsphere, vmware vshpere

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: ((((vmware sphere) OR (vmware vsphere5))) OR (vmware mosphere)).
• Adding a wildcard symbol may retrieve word variants: ((((vmware sphere) or (vmware vsphere5))) or (vmware mosphere))*.