Perhaps you should try some spelling variations:
apis technical » api technical, apps technical, basics technical
mali technical » ii technical, iii technical, i technical
gis technical » aws technical, acids technical, apps technical
world mali » world marie, world malte, world mario

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 ((gis technical) OR (apis technical)) paper ) OR ( world mali technical papers )).
• Adding a wildcard symbol may retrieve word variants: (( world ((gis technical) or (apis technical)) paper ) or ( world mali technical papers ))*.