Perhaps you should try some spelling variations:
bank's technical » banks technical, bands technical, bank technical
basics technical » basic technical, basics techniques, devices technical
technical paper » technical papers
world basics » world basic, word basics, world brics

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