Perhaps you should try some spelling variations:
basics technical » basic technical, basics techniques, basic technique
black technical » back technical, stack technical, flask technical
world basics » world basic, word basics, world brics
work black » work blacks, work back, work block

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