Perhaps you should try some spelling variations:
"perils mines cookbooks" » "perils chinese cookbooks", "perils mines cookbook"
"periplus nines workbooks" » "periplus lines workbooks", "periplus nine workbooks", "periplus fines workbooks"
"periplus eines workbooks" » "periplus lines workbooks", "periplus eine workbooks", "periplus einer workbooks"

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

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