אולי כדאי לנסות איות אחר או כתיב מלא:
radiation instrumentation » ionization instrumentation, operation instrumentation, radiation instruments
https decision » states decision, mutis decision, arts decision
steps decision » sets decision, systems decision, states decision
basis linear » basics linear, basic linear, bases linear
class linear » less linear, mass linear, class library

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

• Performing a fuzzy search may retrieve terms with similar spellings: radiation instrumentation ((https decision) OR (steps decision)) ((basis linear) or (class linear))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: radiation instrumentation ((https decision) OR (steps decision)) ((basis linear) OR (class linear)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "radiation instrumentation ((https decision) OR (steps decision)) ((basis linear) or (class linear))".
• Adding a wildcard symbol may retrieve word variants: radiation instrumentation ((https decision) OR (steps decision)) ((basis linear) or (class linear))*.