Talvez debería tentar con algunhas variantes ortográficas:
instrumentation theory » instrumentation methods, instrumentation https, instruction theory
theory division » theory decision, theory revision, theorems division
basics linear » basic linear, based linear, basics clear
class linear » mass linear, class library, class life

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: therapy instrumentation theory division ((basics linear) or (((class linear) or (less linear))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: therapy instrumentation theory division ((basics linear) OR (((class linear) OR (less linear)))).
• Adding a wildcard symbol may retrieve word variants: therapy instrumentation theory division ((basics linear) or (((class linear) or (less linear))))*.