Perhaps you should try some spelling variations:
affect fertilizer » africa fertilizer, different fertilizer
fertilizer trade » fertilizer trials, fertilizer type, fertilizer usage
technical report » technical support, technical experts, technical review
assessment east » assessment eastern, assessment cases, assessment egypt
assessment esw » assessment e6, assessment el, assessment egra

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

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