Perhaps you should try some spelling variations:
technical experts » technical expertise
fertiliser usage » fertilizer usage, fertiliser use, fertilizer use
usage assessment » stage assessment, image assessment, use assessment
rice fertiliser » rich fertilizer, hi fertiliser, isp fertiliser
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: rice fertiliser usage assessment ii technical experts.~.
• Adding a wildcard symbol may retrieve word variants: rice fertiliser usage assessment ii technical experts.*.