Perhaps you should try some spelling variations:
"land soils basics series" » "land soil basics series", "land soils basic series", "land soi basics series", "upland soils basics series", "sandy soils basics series"
"sold soils ak series" » "soils soils ak series", "pond soils ak series", "sand soils ak series", "sold soils k series", "sold soils pk series", "sold soils bank series", "sold soils a series", "sold soils back series", "sold soils ash series"
"cold soils ak series" » "cold soils k series", "cold soils pk series", "cold soils bank series", "cold soils a series", "cold soils back series", "cold soils ash series", "could soils ak series", "old soils ak series", "gold soils ak series"

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: (("land soils basics series") OR ((("cold soils ak series") OR ("sold soils ak series")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"land soils basics series\") or (((\"cold soils ak series\") OR (\"sold soils ak series\"))))".
• Removing quotes may allow a broader search: (( land soils basics series ) or ((( cold soils ak series ) OR ( sold soils ak series )))).
• Adding a wildcard symbol may retrieve word variants: (("land soils basics series") or ((("cold soils ak series") OR ("sold soils ak series"))))*.