Perhaps you should try some spelling variations:
apis technical » apps technical, basics technical, actions technical
api technical » mali technical, ii technical, iii technical
world apis » world apps, world anis, world kpis
world api » world ai, world app, world april

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 apis technical paper ) OR ( world apis technical papers ))) OR ( world api technical paper )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( world apis technical paper ) OR ( world apis technical papers ))) or ( world api technical paper ))".
• Adding a wildcard symbol may retrieve word variants: (((( world apis technical paper ) OR ( world apis technical papers ))) or ( world api technical paper ))*.