Perhaps you should try some spelling variations:
ionization instrumentation » operation instrumentation, radiation instrumentation, collection instrumentation
instrumentation theory » instrumentation methods, instrumentation https, instruction theory
theory decision » theory design
basics linear » based linear, basics clear
basic linear » quasi linear, basic life
mass linear » bases linear, class linear, less linear

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

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