Perhaps you should try some spelling variations:
ionization instrumentation » operation instrumentation, radiation instrumentation, collection instrumentation
instrumentation methods » instrumental methods, instrumentation https, documentation methods
methods vision » methods fusion, methods decision, methods emission
bases linear » based linear, basics linear, games linear
basic linear » quasi linear, basic life
mass linear » class linear, less linear, basics 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 methods vision ((((bases linear) or (basic linear))) or (mass linear))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ionization instrumentation methods vision ((((bases linear) OR (basic linear))) OR (mass linear)).
• Adding a wildcard symbol may retrieve word variants: ionization instrumentation methods vision ((((bases linear) or (basic linear))) or (mass linear))*.