Perhaps you should try some spelling variations:
"periplus mines workbook" » "periplus maris workbook", "periplus makers workbook", "periplus markets workbook", "periplus lines workbook", "periplus eines workbook", "periplus nines workbook"
"periplus mine cookbooks" » "periplus line cookbooks", "periplus eine cookbooks", "periplus nine cookbooks"
"periplus mind cookbooks" » "periplus find cookbooks", "periplus mid cookbooks", "periplus wind cookbooks"

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: (((("periplus mine cookbooks") OR ("periplus mind cookbooks"))) OR ("periplus mines workbook"))~.
• Removing quotes may allow a broader search: (((( periplus mine cookbooks ) or ( periplus mind cookbooks ))) or ( periplus mines workbook ))~.
• Adding a wildcard symbol may retrieve word variants: (((("periplus mine cookbooks") or ("periplus mind cookbooks"))) or ("periplus mines workbook"))*.