Perhaps you should try some spelling variations:
technical paper » technical papers
mali technical » ii technical, iii technical, i technical
world kpis » world kris, world kids, world kin
world mali » world marie, world malte, world maria
world kim » world kin, world kimiz, world kids

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((world kpis) OR (world kim)) technical paper ) OR ( world mali technical paper )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((world kpis) OR (world kim)) technical paper ) or ( world mali technical paper ))".
• Adding a wildcard symbol may retrieve word variants: (( ((world kpis) OR (world kim)) technical paper ) or ( world mali technical paper ))*.