Perhaps you should try some spelling variations:
"periplus mines workbooks" » "periplus maris workbooks", "periplus lines workbooks", "periplus eines workbooks", "periplus minds workbooks", "periplus mines workbook"
"periplus mine cookbooks" » "periplus line cookbooks", "periplus eine cookbooks", "periplus mind cookbooks"
"periplus nine cookbooks" » "periplus line cookbooks", "periplus eine cookbooks"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("periplus mine cookbooks") OR ("periplus nine cookbooks"))) or ("periplus mines workbooks"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("periplus mine cookbooks") OR ("periplus nine cookbooks"))) OR ("periplus mines workbooks")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"periplus mine cookbooks\") OR (\"periplus nine cookbooks\"))) or (\"periplus mines workbooks\"))".
• Removing quotes may allow a broader search: (((( periplus mine cookbooks ) OR ( periplus nine cookbooks ))) or ( periplus mines workbooks )).
• Adding a wildcard symbol may retrieve word variants: (((("periplus mine cookbooks") OR ("periplus nine cookbooks"))) or ("periplus mines workbooks"))*.