Perhaps you should try some spelling variations:
"oxford handbooks online / oxford handbooks online" » "oxford handbook online / oxford handbook online", "word handbooks online / word handbooks online", "oxford guidebooks online / oxford guidebooks online", "oxford handouts online / oxford handouts online", "oxford redbooks online / oxford redbooks online", "oxford sandboxes online / oxford sandboxes online"
"oxford handbuch online / oxford handbuch online" » "oxford handbook online / oxford handbook online", "oxford handbuch eine / oxford handbuch eine"
"oxford brooks online / oxford brooks online" » "oxford brookes online / oxford brookes online", "oxford book online / oxford book online", "oxford crowns online / oxford crowns online", "oxford books online / oxford books online", "oxford brooks julie / oxford brooks julie", "oxford brooks once / oxford brooks once"

Try widening your search to All Fields.

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: (((("oxford handbooks online / oxford handbooks online") OR ("oxford handbuch online / oxford handbuch online"))) OR ("oxford brooks online / oxford brooks online")).
• Removing quotes may allow a broader search: (((( oxford handbooks online / oxford handbooks online ) or ( oxford handbuch online / oxford handbuch online ))) or ( oxford brooks online / oxford brooks online )).
• Adding a wildcard symbol may retrieve word variants: (((("oxford handbooks online / oxford handbooks online") or ("oxford handbuch online / oxford handbuch online"))) or ("oxford brooks online / oxford brooks online"))*.