Perhaps you should try some spelling variations:
fertilizer trials » fertilizer materials, fertilizer prices, fertilizer crisis
fertilizer usage » fertilizer use, fertiliser use, fertilizer type
technical report » technical support, technical experts, technical review
assessment esw » assessment east, assessment e6, assessment el
esw technical » ecm technical, ets technical, law technical

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

• Performing a fuzzy search may retrieve terms with similar spellings: from ((fertilizer trials) or (fertilizer usage)) assessment esw technical report.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: from ((fertilizer trials) OR (fertilizer usage)) assessment esw technical report..
• Adding a wildcard symbol may retrieve word variants: from ((fertilizer trials) or (fertilizer usage)) assessment esw technical report.*.