Perhaps you should try some spelling variations:
location determination » position determination, validation determination, pollution determination
determination methods » examination methods, detection methods
array formats » array format, assay formats, array formulas
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing

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 tools ((((array string) or (array formats))) or (array arcing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: location determination methods tools ((((array string) OR (array formats))) OR (array arcing)).
• Adding a wildcard symbol may retrieve word variants: location determination methods tools ((((array string) or (array formats))) or (array arcing))*.