Perhaps you should try some spelling variations:
fertilizer trade » fertilizer type, fertilizer price, fertilizer prices
fertilizer usage » fertilizer use, fertilizer type
technical report » technical support, technical experts
assessment esw » assessment east, assessment el, assessment egra
esw technical » _ technical, 2 technical, a technical

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

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