Perhaps you should try some spelling variations:
location determination » position determination, validation determination, pollution determination
determination methods » examination methods, detection methods
methods robert » methods robust, methods recent, methods report
array probing » arrays probing, assay probing, array profiling
array string » array strong, arrays strings, array sharing
array fermi » array forming, array format

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

• Performing a fuzzy search may retrieve terms with similar spellings: location determination methods robert ((((array string) or (array fermi))) or (array probing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: location determination methods robert ((((array string) OR (array fermi))) OR (array probing)).
• Adding a wildcard symbol may retrieve word variants: location determination methods robert ((((array string) or (array fermi))) or (array probing))*.