Perhaps you should try some spelling variations:
effect fertilizer » affect fertilizer, africa fertilizer, different fertilizer
fertilizer type » fertilizer use
type assessment » time assessment, style assessments, cycle assessment
assessment ii » assessment 1, assessment 3, assessment 16
ii technical » iii technical, i technical, vi technical

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

• Performing a fuzzy search may retrieve terms with similar spellings: effect fertilizer type assessment ii technical expertise.~.
• Adding a wildcard symbol may retrieve word variants: effect fertilizer type assessment ii technical expertise.*.