Perhaps you should try some spelling variations:
fertilizer strategy » fertilizer trade
technical report » technical support, technical experts, technical review
rich fertilizer » rice fertiliser, africa fertilizer, bio fertilizer
assessment el » assessment e6, assessment esw, assessment 1
assessment ii » assessment 1, assessment 3, assessment 16

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

• Performing a fuzzy search may retrieve terms with similar spellings: rich fertilizer strategy ((assessment el) OR (assessment ii)) technical report.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "rich fertilizer strategy ((assessment el) OR (assessment ii)) technical report.".
• Adding a wildcard symbol may retrieve word variants: rich fertilizer strategy ((assessment el) OR (assessment ii)) technical report.*.