Perhaps you should try some spelling variations:
technical paper » technical papers
apis technical » apps technical, basics technical, its technical
lake technical » large technical, plane technical, game technical
api technical » mali technical, ii technical, iii technical
world apis » world apps, world anis, world kpis
world lake » world make, world take, world taken
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 api technical paper ))) OR ( world lake technical paper )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( world apis technical paper ) OR ( world api technical paper ))) or ( world lake technical paper ))".
• Adding a wildcard symbol may retrieve word variants: (((( world apis technical paper ) OR ( world api technical paper ))) or ( world lake technical paper ))*.