Perhaps you should try some spelling variations:
basics technical » basic technical, basics techniques, basic technique
technical paper » technical papers
apis technical » api technical, apps technical
world basics » world basic, word basics, world brics
8 technical » 2 technical, 7 technical
world apis » world apps, world anis, world kpis
world 8 » world 2, world 1, world 10

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 8 technical paper ) OR ( world basics technical paper )))).
• Adding a wildcard symbol may retrieve word variants: (( world apis technical paper ) or ((( world 8 technical paper ) or ( world basics technical paper ))))*.